diff --git a/src/plot.js b/src/plot.js
index a7383a66c7..7d4906636e 100644
--- a/src/plot.js
+++ b/src/plot.js
@@ -158,6 +158,8 @@ export function plot(options = {}) {
   context.ownerSVGElement = svg;
   context.className = className;
   context.projection = createProjection(options, subdimensions);
+  svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns", "http://www.w3.org/2000/svg");
+  svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink", "http://www.w3.org/1999/xlink");
 
   // Allows e.g. the axis mark to determine faceting lazily.
   context.filterFacets = (data, channels) => {
diff --git a/test/output/aaplBollinger.svg b/test/output/aaplBollinger.svg
index 1b83587f35..44a5797bc7 100644
--- a/test/output/aaplBollinger.svg
+++ b/test/output/aaplBollinger.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplBollingerCandlestick.svg b/test/output/aaplBollingerCandlestick.svg
index b8a7f75915..69ccc52f11 100644
--- a/test/output/aaplBollingerCandlestick.svg
+++ b/test/output/aaplBollingerCandlestick.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplBollingerGridInterval.svg b/test/output/aaplBollingerGridInterval.svg
index e839374ca5..d4cf604df1 100644
--- a/test/output/aaplBollingerGridInterval.svg
+++ b/test/output/aaplBollingerGridInterval.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplBollingerGridSpacing.svg b/test/output/aaplBollingerGridSpacing.svg
index e839374ca5..d4cf604df1 100644
--- a/test/output/aaplBollingerGridSpacing.svg
+++ b/test/output/aaplBollingerGridSpacing.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplCandlestick.svg b/test/output/aaplCandlestick.svg
index 5e303b558a..7e333184d2 100644
--- a/test/output/aaplCandlestick.svg
+++ b/test/output/aaplCandlestick.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="400" viewBox="0 0 960 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="400" viewBox="0 0 960 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplChangeVolume.svg b/test/output/aaplChangeVolume.svg
index 475310c39f..a12ad6643d 100644
--- a/test/output/aaplChangeVolume.svg
+++ b/test/output/aaplChangeVolume.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplClose.svg b/test/output/aaplClose.svg
index e7feff9d4c..f083ec08cf 100644
--- a/test/output/aaplClose.svg
+++ b/test/output/aaplClose.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplCloseClip.svg b/test/output/aaplCloseClip.svg
index 61820798db..eea19d86ee 100644
--- a/test/output/aaplCloseClip.svg
+++ b/test/output/aaplCloseClip.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplCloseDataTicks.svg b/test/output/aaplCloseDataTicks.svg
index e021e3549b..6c03632ea7 100644
--- a/test/output/aaplCloseDataTicks.svg
+++ b/test/output/aaplCloseDataTicks.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplCloseGridColor.svg b/test/output/aaplCloseGridColor.svg
index 936f063ffb..efae817579 100644
--- a/test/output/aaplCloseGridColor.svg
+++ b/test/output/aaplCloseGridColor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplCloseGridInterval.svg b/test/output/aaplCloseGridInterval.svg
index 493e06a211..c503c4ce49 100644
--- a/test/output/aaplCloseGridInterval.svg
+++ b/test/output/aaplCloseGridInterval.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplCloseGridIntervalName.svg b/test/output/aaplCloseGridIntervalName.svg
index 441ad5f179..8bb2f93238 100644
--- a/test/output/aaplCloseGridIntervalName.svg
+++ b/test/output/aaplCloseGridIntervalName.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplCloseGridIterable.svg b/test/output/aaplCloseGridIterable.svg
index 852e076ac1..9b8c69c5a4 100644
--- a/test/output/aaplCloseGridIterable.svg
+++ b/test/output/aaplCloseGridIterable.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplCloseImplicitGrid.svg b/test/output/aaplCloseImplicitGrid.svg
index 9987353088..e2ca26932f 100644
--- a/test/output/aaplCloseImplicitGrid.svg
+++ b/test/output/aaplCloseImplicitGrid.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplCloseNormalize.svg b/test/output/aaplCloseNormalize.svg
index 364c572379..5791f02eca 100644
--- a/test/output/aaplCloseNormalize.svg
+++ b/test/output/aaplCloseNormalize.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplCloseUntyped.svg b/test/output/aaplCloseUntyped.svg
index 8a58f57ca7..a4ebfc88d5 100644
--- a/test/output/aaplCloseUntyped.svg
+++ b/test/output/aaplCloseUntyped.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplFancyAxis.svg b/test/output/aaplFancyAxis.svg
index e2d07bcb3b..09e53633bb 100644
--- a/test/output/aaplFancyAxis.svg
+++ b/test/output/aaplFancyAxis.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplInterval.svg b/test/output/aaplInterval.svg
index 8287a1e7fd..ecef4b2655 100644
--- a/test/output/aaplInterval.svg
+++ b/test/output/aaplInterval.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplMonthly.svg b/test/output/aaplMonthly.svg
index a394645204..315cb53268 100644
--- a/test/output/aaplMonthly.svg
+++ b/test/output/aaplMonthly.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplVolume.svg b/test/output/aaplVolume.svg
index 769304bd93..4e2981284b 100644
--- a/test/output/aaplVolume.svg
+++ b/test/output/aaplVolume.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aaplVolumeRect.svg b/test/output/aaplVolumeRect.svg
index 279f87ec10..9c4e37218f 100644
--- a/test/output/aaplVolumeRect.svg
+++ b/test/output/aaplVolumeRect.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/anscombeQuartet.svg b/test/output/anscombeQuartet.svg
index 7c275da13d..8f6ba42671 100644
--- a/test/output/anscombeQuartet.svg
+++ b/test/output/anscombeQuartet.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="240" viewBox="0 0 960 240" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="240" viewBox="0 0 960 240">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/arcCollatz.svg b/test/output/arcCollatz.svg
index 5a560933a8..f01d0c0ba8 100644
--- a/test/output/arcCollatz.svg
+++ b/test/output/arcCollatz.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="520" viewBox="0 0 640 520" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="520" viewBox="0 0 640 520">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/arcCollatzUp.svg b/test/output/arcCollatzUp.svg
index 558d4cdbb2..dde321961a 100644
--- a/test/output/arcCollatzUp.svg
+++ b/test/output/arcCollatzUp.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="260" viewBox="0 0 640 260" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="260" viewBox="0 0 640 260">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/arcMiserables.svg b/test/output/arcMiserables.svg
index 0ade45029f..a3b811138f 100644
--- a/test/output/arcMiserables.svg
+++ b/test/output/arcMiserables.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1080" viewBox="0 0 640 1080" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1080" viewBox="0 0 640 1080">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/armadillo.svg b/test/output/armadillo.svg
index 4c9e4ee088..5905a593e2 100644
--- a/test/output/armadillo.svg
+++ b/test/output/armadillo.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="548" viewBox="0 0 960 548" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="548" viewBox="0 0 960 548">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/arrowDates.svg b/test/output/arrowDates.svg
index de1e69765f..d58e07f23b 100644
--- a/test/output/arrowDates.svg
+++ b/test/output/arrowDates.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/arrowTest.svg b/test/output/arrowTest.svg
index acc3317162..e6024b609f 100644
--- a/test/output/arrowTest.svg
+++ b/test/output/arrowTest.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/arrowTestAccessor.svg b/test/output/arrowTestAccessor.svg
index 3fb14f8d58..7eedd07a0c 100644
--- a/test/output/arrowTestAccessor.svg
+++ b/test/output/arrowTestAccessor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/arrowTestBin.svg b/test/output/arrowTestBin.svg
index 4d43d4dc7b..e4f5a9e979 100644
--- a/test/output/arrowTestBin.svg
+++ b/test/output/arrowTestBin.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/arrowTestCustomOrder.svg b/test/output/arrowTestCustomOrder.svg
index 0729686f1d..442ba45cd2 100644
--- a/test/output/arrowTestCustomOrder.svg
+++ b/test/output/arrowTestCustomOrder.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/arrowTestDifferenceY.svg b/test/output/arrowTestDifferenceY.svg
index 0ae2fbf577..03eb99e8b8 100644
--- a/test/output/arrowTestDifferenceY.svg
+++ b/test/output/arrowTestDifferenceY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/arrowTestGroup.svg b/test/output/arrowTestGroup.svg
index 77e741032b..59d2dca704 100644
--- a/test/output/arrowTestGroup.svg
+++ b/test/output/arrowTestGroup.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/arrowTestPointer.html b/test/output/arrowTestPointer.html
index d91b22d848..6ff306a29f 100644
--- a/test/output/arrowTestPointer.html
+++ b/test/output/arrowTestPointer.html
@@ -1,4 +1,4 @@
-<figure><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<figure><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/arrowTestSort.svg b/test/output/arrowTestSort.svg
index 2dd19e56c0..700fecd57e 100644
--- a/test/output/arrowTestSort.svg
+++ b/test/output/arrowTestSort.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/arrowTestTree.svg b/test/output/arrowTestTree.svg
index 2ad47dc9c1..7615458764 100644
--- a/test/output/arrowTestTree.svg
+++ b/test/output/arrowTestTree.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aspectRatioBand.svg b/test/output/aspectRatioBand.svg
index 7404c075c9..aeb67e4f54 100644
--- a/test/output/aspectRatioBand.svg
+++ b/test/output/aspectRatioBand.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="630" viewBox="0 0 640 630" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="630" viewBox="0 0 640 630">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aspectRatioLinear.svg b/test/output/aspectRatioLinear.svg
index eba026eedb..96ece45846 100644
--- a/test/output/aspectRatioLinear.svg
+++ b/test/output/aspectRatioLinear.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="630" viewBox="0 0 640 630" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="630" viewBox="0 0 640 630">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aspectRatioLog.svg b/test/output/aspectRatioLog.svg
index b9fb08303b..62787cd669 100644
--- a/test/output/aspectRatioLog.svg
+++ b/test/output/aspectRatioLog.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="630" viewBox="0 0 640 630" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="630" viewBox="0 0 640 630">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aspectRatioPoint.svg b/test/output/aspectRatioPoint.svg
index 6d7d8c8d4d..dfcc552bec 100644
--- a/test/output/aspectRatioPoint.svg
+++ b/test/output/aspectRatioPoint.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="630" viewBox="0 0 640 630" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="630" viewBox="0 0 640 630">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/aspectRatioSqrt.svg b/test/output/aspectRatioSqrt.svg
index 7286c5264f..5217f399d6 100644
--- a/test/output/aspectRatioSqrt.svg
+++ b/test/output/aspectRatioSqrt.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="297.273303427918" viewBox="0 0 640 297.273303427918" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="297.273303427918" viewBox="0 0 640 297.273303427918">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesBinsColors.svg b/test/output/athletesBinsColors.svg
index 810babbbde..1538003bd9 100644
--- a/test/output/athletesBinsColors.svg
+++ b/test/output/athletesBinsColors.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesBirthdays.svg b/test/output/athletesBirthdays.svg
index 05da3ece47..43108f572d 100644
--- a/test/output/athletesBirthdays.svg
+++ b/test/output/athletesBirthdays.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesBoxingHeight.svg b/test/output/athletesBoxingHeight.svg
index a6d4c86939..d5f3e57a48 100644
--- a/test/output/athletesBoxingHeight.svg
+++ b/test/output/athletesBoxingHeight.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="350" viewBox="0 0 600 350" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="350" viewBox="0 0 600 350">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesHeightWeight.svg b/test/output/athletesHeightWeight.svg
index 7c692c6caf..519f2990d0 100644
--- a/test/output/athletesHeightWeight.svg
+++ b/test/output/athletesHeightWeight.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesHeightWeightBin.svg b/test/output/athletesHeightWeightBin.svg
index 18fa7aa0e2..29c7532cea 100644
--- a/test/output/athletesHeightWeightBin.svg
+++ b/test/output/athletesHeightWeightBin.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesHeightWeightBinStroke.svg b/test/output/athletesHeightWeightBinStroke.svg
index cbaf4738a0..781d6f0653 100644
--- a/test/output/athletesHeightWeightBinStroke.svg
+++ b/test/output/athletesHeightWeightBinStroke.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesHeightWeightSex.svg b/test/output/athletesHeightWeightSex.svg
index 6651c0cbef..20f48cd955 100644
--- a/test/output/athletesHeightWeightSex.svg
+++ b/test/output/athletesHeightWeightSex.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesHeightWeightSport.svg b/test/output/athletesHeightWeightSport.svg
index 13d485c8db..0aaf56fe14 100644
--- a/test/output/athletesHeightWeightSport.svg
+++ b/test/output/athletesHeightWeightSport.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesSample.svg b/test/output/athletesSample.svg
index 527a7c88a0..02c06993d1 100644
--- a/test/output/athletesSample.svg
+++ b/test/output/athletesSample.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesSampleFacet.svg b/test/output/athletesSampleFacet.svg
index cabce1f9ee..765af1ec40 100644
--- a/test/output/athletesSampleFacet.svg
+++ b/test/output/athletesSampleFacet.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesSexWeight.svg b/test/output/athletesSexWeight.svg
index 597950ec7c..a9703090fc 100644
--- a/test/output/athletesSexWeight.svg
+++ b/test/output/athletesSexWeight.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesSortFacet.svg b/test/output/athletesSortFacet.svg
index f6bb1f284e..c59687bca5 100644
--- a/test/output/athletesSortFacet.svg
+++ b/test/output/athletesSortFacet.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesSortNationality.html b/test/output/athletesSortNationality.html
index c818bac395..0c17092f09 100644
--- a/test/output/athletesSortNationality.html
+++ b/test/output/athletesSortNationality.html
@@ -45,7 +45,7 @@
       </svg>BRN</span><span class="plot-swatch"><svg width="15" height="15" fill="#9498a0" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>IOA</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/athletesSortNullLimit.html b/test/output/athletesSortNullLimit.html
index 2413caafce..657a56579c 100644
--- a/test/output/athletesSortNullLimit.html
+++ b/test/output/athletesSortNullLimit.html
@@ -45,7 +45,7 @@
       </svg>BRN</span><span class="plot-swatch"><svg width="15" height="15" fill="#9498a0" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>IOA</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/athletesSortWeightLimit.svg b/test/output/athletesSortWeightLimit.svg
index 249a8f3107..e5e672b385 100644
--- a/test/output/athletesSortWeightLimit.svg
+++ b/test/output/athletesSortWeightLimit.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="260" viewBox="0 0 640 260" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="260" viewBox="0 0 640 260">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesSportSex.svg b/test/output/athletesSportSex.svg
index fa6e1c3efa..c648ffa472 100644
--- a/test/output/athletesSportSex.svg
+++ b/test/output/athletesSportSex.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesSportWeight.svg b/test/output/athletesSportWeight.svg
index 1295082a6a..6d787e9dd6 100644
--- a/test/output/athletesSportWeight.svg
+++ b/test/output/athletesSportWeight.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesWeight.svg b/test/output/athletesWeight.svg
index 1b693b173d..a9d8dd197b 100644
--- a/test/output/athletesWeight.svg
+++ b/test/output/athletesWeight.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/athletesWeightCumulative.svg b/test/output/athletesWeightCumulative.svg
index 5645dd7445..c31c590f81 100644
--- a/test/output/athletesWeightCumulative.svg
+++ b/test/output/athletesWeightCumulative.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoArea.svg b/test/output/autoArea.svg
index 2f016da247..cd4caf4324 100644
--- a/test/output/autoArea.svg
+++ b/test/output/autoArea.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoAreaColor.svg b/test/output/autoAreaColor.svg
index b3f075b7f7..42275f1c44 100644
--- a/test/output/autoAreaColor.svg
+++ b/test/output/autoAreaColor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoAreaColorColor.svg b/test/output/autoAreaColorColor.svg
index 1bb73ba4b5..164df3d2e5 100644
--- a/test/output/autoAreaColorColor.svg
+++ b/test/output/autoAreaColorColor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoAreaColorName.svg b/test/output/autoAreaColorName.svg
index 1bb73ba4b5..164df3d2e5 100644
--- a/test/output/autoAreaColorName.svg
+++ b/test/output/autoAreaColorName.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoAreaColorValue.svg b/test/output/autoAreaColorValue.svg
index b3f075b7f7..42275f1c44 100644
--- a/test/output/autoAreaColorValue.svg
+++ b/test/output/autoAreaColorValue.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoAreaStackColor.svg b/test/output/autoAreaStackColor.svg
index b7b47e58f2..7a46c5a039 100644
--- a/test/output/autoAreaStackColor.svg
+++ b/test/output/autoAreaStackColor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoAutoHistogram.svg b/test/output/autoAutoHistogram.svg
index 11939224d1..1d9787f43a 100644
--- a/test/output/autoAutoHistogram.svg
+++ b/test/output/autoAutoHistogram.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoBar.svg b/test/output/autoBar.svg
index a1350cd427..b746bc6eef 100644
--- a/test/output/autoBar.svg
+++ b/test/output/autoBar.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoBarColorReducer.svg b/test/output/autoBarColorReducer.svg
index fc39a7d55f..61a94d2802 100644
--- a/test/output/autoBarColorReducer.svg
+++ b/test/output/autoBarColorReducer.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoBarMode.svg b/test/output/autoBarMode.svg
index 33b85940f9..4c23d7a2d8 100644
--- a/test/output/autoBarMode.svg
+++ b/test/output/autoBarMode.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoBarNoReducer.svg b/test/output/autoBarNoReducer.svg
index d38281b535..d8a74f0bce 100644
--- a/test/output/autoBarNoReducer.svg
+++ b/test/output/autoBarNoReducer.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="560" viewBox="0 0 640 560" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="560" viewBox="0 0 640 560">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoBarNonZeroReducer.svg b/test/output/autoBarNonZeroReducer.svg
index 1d6e257446..f3c28b3cef 100644
--- a/test/output/autoBarNonZeroReducer.svg
+++ b/test/output/autoBarNonZeroReducer.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoBarStackColor.svg b/test/output/autoBarStackColor.svg
index f3de105620..16f6dc0e99 100644
--- a/test/output/autoBarStackColor.svg
+++ b/test/output/autoBarStackColor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoBarStackColorConstant.svg b/test/output/autoBarStackColorConstant.svg
index 35184b284c..5ec4a8318c 100644
--- a/test/output/autoBarStackColorConstant.svg
+++ b/test/output/autoBarStackColorConstant.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoBarStackColorField.svg b/test/output/autoBarStackColorField.svg
index f09047a5bd..44edfd86ff 100644
--- a/test/output/autoBarStackColorField.svg
+++ b/test/output/autoBarStackColorField.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoBarTimeSeries.svg b/test/output/autoBarTimeSeries.svg
index feaff4c306..30d3fabbc5 100644
--- a/test/output/autoBarTimeSeries.svg
+++ b/test/output/autoBarTimeSeries.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoBarTimeSeriesReduce.svg b/test/output/autoBarTimeSeriesReduce.svg
index da82759466..e2e212a5da 100644
--- a/test/output/autoBarTimeSeriesReduce.svg
+++ b/test/output/autoBarTimeSeriesReduce.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoChannels.svg b/test/output/autoChannels.svg
index f4a934d784..fafe689d46 100644
--- a/test/output/autoChannels.svg
+++ b/test/output/autoChannels.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoConnectedScatterplot.svg b/test/output/autoConnectedScatterplot.svg
index 28910be609..0e2b40c3b1 100644
--- a/test/output/autoConnectedScatterplot.svg
+++ b/test/output/autoConnectedScatterplot.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoDot.svg b/test/output/autoDot.svg
index d0b44abd10..5f0e910e07 100644
--- a/test/output/autoDot.svg
+++ b/test/output/autoDot.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoDotBin.svg b/test/output/autoDotBin.svg
index 7da7908295..98fffa1038 100644
--- a/test/output/autoDotBin.svg
+++ b/test/output/autoDotBin.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoDotColor.svg b/test/output/autoDotColor.svg
index 51dcc15e96..d9eafebb42 100644
--- a/test/output/autoDotColor.svg
+++ b/test/output/autoDotColor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoDotFacet.svg b/test/output/autoDotFacet.svg
index 1b9890ab57..aea3c31b2e 100644
--- a/test/output/autoDotFacet.svg
+++ b/test/output/autoDotFacet.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoDotFacet2.svg b/test/output/autoDotFacet2.svg
index 64bc8f3f50..c9d7b42b5e 100644
--- a/test/output/autoDotFacet2.svg
+++ b/test/output/autoDotFacet2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="510" viewBox="0 0 640 510" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="510" viewBox="0 0 640 510">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoDotGroup.svg b/test/output/autoDotGroup.svg
index 6a28d47255..f0265c17b9 100644
--- a/test/output/autoDotGroup.svg
+++ b/test/output/autoDotGroup.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoDotOrdCont.svg b/test/output/autoDotOrdCont.svg
index cce19c9c91..bb61dee9a8 100644
--- a/test/output/autoDotOrdCont.svg
+++ b/test/output/autoDotOrdCont.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoDotOrdinal.svg b/test/output/autoDotOrdinal.svg
index 30baae84aa..b5d66c4b26 100644
--- a/test/output/autoDotOrdinal.svg
+++ b/test/output/autoDotOrdinal.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1260" viewBox="0 0 640 1260" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1260" viewBox="0 0 640 1260">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoDotSize.svg b/test/output/autoDotSize.svg
index 380bdbecf5..b687292ce7 100644
--- a/test/output/autoDotSize.svg
+++ b/test/output/autoDotSize.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoDotSize2.svg b/test/output/autoDotSize2.svg
index 2f6a020570..bd233e68bb 100644
--- a/test/output/autoDotSize2.svg
+++ b/test/output/autoDotSize2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoDotUnsortedDate.svg b/test/output/autoDotUnsortedDate.svg
index 818928caa7..d16732f2e2 100644
--- a/test/output/autoDotUnsortedDate.svg
+++ b/test/output/autoDotUnsortedDate.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoDotZero.svg b/test/output/autoDotZero.svg
index d0f3d19e89..dbe236dcef 100644
--- a/test/output/autoDotZero.svg
+++ b/test/output/autoDotZero.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoHeatmap.svg b/test/output/autoHeatmap.svg
index 2db955d7c4..a1eb50eb61 100644
--- a/test/output/autoHeatmap.svg
+++ b/test/output/autoHeatmap.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoHeatmapOrdCont.svg b/test/output/autoHeatmapOrdCont.svg
index 8ce01ffba1..ecf8ec861e 100644
--- a/test/output/autoHeatmapOrdCont.svg
+++ b/test/output/autoHeatmapOrdCont.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoHeatmapOrdinal.svg b/test/output/autoHeatmapOrdinal.svg
index d3ee5e8ab3..2a4f645e5e 100644
--- a/test/output/autoHeatmapOrdinal.svg
+++ b/test/output/autoHeatmapOrdinal.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoHeightEmpty.svg b/test/output/autoHeightEmpty.svg
index 6277e5e83a..c906852ec0 100644
--- a/test/output/autoHeightEmpty.svg
+++ b/test/output/autoHeightEmpty.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoHistogram.svg b/test/output/autoHistogram.svg
index d268536e49..c91602b569 100644
--- a/test/output/autoHistogram.svg
+++ b/test/output/autoHistogram.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoHistogramDate.svg b/test/output/autoHistogramDate.svg
index ebf712014c..397c6057ce 100644
--- a/test/output/autoHistogramDate.svg
+++ b/test/output/autoHistogramDate.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoHistogramGroup.svg b/test/output/autoHistogramGroup.svg
index f0f539d7d9..924d67a68e 100644
--- a/test/output/autoHistogramGroup.svg
+++ b/test/output/autoHistogramGroup.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoLine.svg b/test/output/autoLine.svg
index 6ccd4ff462..bd27717e7a 100644
--- a/test/output/autoLine.svg
+++ b/test/output/autoLine.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoLineColor.svg b/test/output/autoLineColor.svg
index 05cf476744..3b543e847c 100644
--- a/test/output/autoLineColor.svg
+++ b/test/output/autoLineColor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoLineColorSeries.svg b/test/output/autoLineColorSeries.svg
index 946f1d5370..8bac3ae845 100644
--- a/test/output/autoLineColorSeries.svg
+++ b/test/output/autoLineColorSeries.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoLineFacet.svg b/test/output/autoLineFacet.svg
index e8a2315700..fbe4b5ce4b 100644
--- a/test/output/autoLineFacet.svg
+++ b/test/output/autoLineFacet.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1260" viewBox="0 0 640 1260" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1260" viewBox="0 0 640 1260">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoLineHistogram.svg b/test/output/autoLineHistogram.svg
index f681e76bb0..7113dd4b13 100644
--- a/test/output/autoLineHistogram.svg
+++ b/test/output/autoLineHistogram.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoLineMean.svg b/test/output/autoLineMean.svg
index 0139529550..e2da3273af 100644
--- a/test/output/autoLineMean.svg
+++ b/test/output/autoLineMean.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoLineMeanColor.svg b/test/output/autoLineMeanColor.svg
index 6b16f2039c..bb0adf51f9 100644
--- a/test/output/autoLineMeanColor.svg
+++ b/test/output/autoLineMeanColor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoLineMeanThresholds.svg b/test/output/autoLineMeanThresholds.svg
index 06465b1717..5e8dce44ec 100644
--- a/test/output/autoLineMeanThresholds.svg
+++ b/test/output/autoLineMeanThresholds.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoLineMeanZero.svg b/test/output/autoLineMeanZero.svg
index 3f691a48df..3121d2d37d 100644
--- a/test/output/autoLineMeanZero.svg
+++ b/test/output/autoLineMeanZero.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoLineZero.svg b/test/output/autoLineZero.svg
index dbb637c8da..c616cb2ebc 100644
--- a/test/output/autoLineZero.svg
+++ b/test/output/autoLineZero.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoNullReduceContinuous.svg b/test/output/autoNullReduceContinuous.svg
index 28eea34f7a..b060e90030 100644
--- a/test/output/autoNullReduceContinuous.svg
+++ b/test/output/autoNullReduceContinuous.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoNullReduceDate.svg b/test/output/autoNullReduceDate.svg
index d8148a8a1e..579933889b 100644
--- a/test/output/autoNullReduceDate.svg
+++ b/test/output/autoNullReduceDate.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoNullReduceOrdinal.svg b/test/output/autoNullReduceOrdinal.svg
index f7e42696f0..2682f697d9 100644
--- a/test/output/autoNullReduceOrdinal.svg
+++ b/test/output/autoNullReduceOrdinal.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoRectColorReducer.svg b/test/output/autoRectColorReducer.svg
index c9e8732b49..76e042cd2d 100644
--- a/test/output/autoRectColorReducer.svg
+++ b/test/output/autoRectColorReducer.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoRectStackColor.svg b/test/output/autoRectStackColor.svg
index 19c8f9904d..4d0f6db2c8 100644
--- a/test/output/autoRectStackColor.svg
+++ b/test/output/autoRectStackColor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/autoRuleZero.svg b/test/output/autoRuleZero.svg
index 57f4aa5278..41dbb00446 100644
--- a/test/output/autoRuleZero.svg
+++ b/test/output/autoRuleZero.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/availability.svg b/test/output/availability.svg
index 2727bef159..96765e31da 100644
--- a/test/output/availability.svg
+++ b/test/output/availability.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="180" viewBox="0 0 640 180" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="180" viewBox="0 0 640 180">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/axisFilter.svg b/test/output/axisFilter.svg
index 2bc0889091..0696dadc88 100644
--- a/test/output/axisFilter.svg
+++ b/test/output/axisFilter.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="100" viewBox="0 0 640 100" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="100" viewBox="0 0 640 100">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/axisLabelBoth.svg b/test/output/axisLabelBoth.svg
index d734111e29..835583d331 100644
--- a/test/output/axisLabelBoth.svg
+++ b/test/output/axisLabelBoth.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/axisLabelBothReverse.svg b/test/output/axisLabelBothReverse.svg
index 5dc16c5054..1db2dcc2a3 100644
--- a/test/output/axisLabelBothReverse.svg
+++ b/test/output/axisLabelBothReverse.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/axisLabelFontVariant.svg b/test/output/axisLabelFontVariant.svg
index 2f53137d19..aa4e990ced 100644
--- a/test/output/axisLabelFontVariant.svg
+++ b/test/output/axisLabelFontVariant.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/axisLabelHref.svg b/test/output/axisLabelHref.svg
index 8d7678e309..c25777a2f7 100644
--- a/test/output/axisLabelHref.svg
+++ b/test/output/axisLabelHref.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/axisLabelVaryingFill.svg b/test/output/axisLabelVaryingFill.svg
index f1bde9cd88..6bb9fea18e 100644
--- a/test/output/axisLabelVaryingFill.svg
+++ b/test/output/axisLabelVaryingFill.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/axisLabelX.svg b/test/output/axisLabelX.svg
index 227d6dea40..9d02017b07 100644
--- a/test/output/axisLabelX.svg
+++ b/test/output/axisLabelX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/axisLabelY.svg b/test/output/axisLabelY.svg
index e8e09b4d1b..ecd7c881a1 100644
--- a/test/output/axisLabelY.svg
+++ b/test/output/axisLabelY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/ballotStatusRace.svg b/test/output/ballotStatusRace.svg
index 1e815e5cb5..b3638c03db 100644
--- a/test/output/ballotStatusRace.svg
+++ b/test/output/ballotStatusRace.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="540" viewBox="0 0 640 540" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="540" viewBox="0 0 640 540">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/bandClip.svg b/test/output/bandClip.svg
index 8d481ce295..954cd91dd0 100644
--- a/test/output/bandClip.svg
+++ b/test/output/bandClip.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/bandClip2.svg b/test/output/bandClip2.svg
index 06d376c3bc..84ab087bb0 100644
--- a/test/output/bandClip2.svg
+++ b/test/output/bandClip2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/beagle.svg b/test/output/beagle.svg
index e4de758efb..65892d354e 100644
--- a/test/output/beagle.svg
+++ b/test/output/beagle.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="480" viewBox="0 0 960 480" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="480" viewBox="0 0 960 480">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/beckerBarley.svg b/test/output/beckerBarley.svg
index 2e66487228..0bd250610a 100644
--- a/test/output/beckerBarley.svg
+++ b/test/output/beckerBarley.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="800" viewBox="0 0 640 800" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="800" viewBox="0 0 640 800">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/bigint1.svg b/test/output/bigint1.svg
index fd17eb65dd..abbea1f17a 100644
--- a/test/output/bigint1.svg
+++ b/test/output/bigint1.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/bigint2.svg b/test/output/bigint2.svg
index d479cfd348..298960ce9e 100644
--- a/test/output/bigint2.svg
+++ b/test/output/bigint2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/bigintLog.svg b/test/output/bigintLog.svg
index 1b5d04e91d..5dd47950d9 100644
--- a/test/output/bigintLog.svg
+++ b/test/output/bigintLog.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/bigintOrdinal.html b/test/output/bigintOrdinal.html
index 88c4d7a57a..89ca6fb92b 100644
--- a/test/output/bigintOrdinal.html
+++ b/test/output/bigintOrdinal.html
@@ -56,7 +56,7 @@
       </g>
     </g>
     <text x="0" y="12" fill="currentColor" font-weight="bold">big1</text>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/bigintStack.svg b/test/output/bigintStack.svg
index 6137ec4010..80f6bcb32f 100644
--- a/test/output/bigintStack.svg
+++ b/test/output/bigintStack.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/bin1m.svg b/test/output/bin1m.svg
index 21f5a93e51..749c948797 100644
--- a/test/output/bin1m.svg
+++ b/test/output/bin1m.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/binFillFirstEmpty.html b/test/output/binFillFirstEmpty.html
index 78f227c203..055393e73e 100644
--- a/test/output/binFillFirstEmpty.html
+++ b/test/output/binFillFirstEmpty.html
@@ -31,7 +31,7 @@
       </svg>MALE</span><span class="plot-swatch"><svg width="15" height="15" fill="#ff725c" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>null</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/binStrings.svg b/test/output/binStrings.svg
index 78a7932c5f..13ecb1b06f 100644
--- a/test/output/binStrings.svg
+++ b/test/output/binStrings.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/binTimestamps.svg b/test/output/binTimestamps.svg
index 685b8ed6de..3d8e9c3295 100644
--- a/test/output/binTimestamps.svg
+++ b/test/output/binTimestamps.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/boundingBoxes.svg b/test/output/boundingBoxes.svg
index b78fbb0cd4..dc3b49e92d 100644
--- a/test/output/boundingBoxes.svg
+++ b/test/output/boundingBoxes.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/boxplot.svg b/test/output/boxplot.svg
index 98735925af..36edcd8334 100644
--- a/test/output/boxplot.svg
+++ b/test/output/boxplot.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/boxplotFacetInterval.svg b/test/output/boxplotFacetInterval.svg
index 54ebf4aea2..90bfd1ccd2 100644
--- a/test/output/boxplotFacetInterval.svg
+++ b/test/output/boxplotFacetInterval.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="280" viewBox="0 0 640 280" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="280" viewBox="0 0 640 280">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/boxplotFacetNegativeInterval.svg b/test/output/boxplotFacetNegativeInterval.svg
index 54ebf4aea2..90bfd1ccd2 100644
--- a/test/output/boxplotFacetNegativeInterval.svg
+++ b/test/output/boxplotFacetNegativeInterval.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="280" viewBox="0 0 640 280" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="280" viewBox="0 0 640 280">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/caltrain.html b/test/output/caltrain.html
index d092bd9f04..b40460453c 100644
--- a/test/output/caltrain.html
+++ b/test/output/caltrain.html
@@ -31,7 +31,7 @@
       </svg>L</span><span class="plot-swatch"><svg width="15" height="15" fill="brown" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>B</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="240" height="520" viewBox="0 0 240 520" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="240" height="520" viewBox="0 0 240 520">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/caltrainDirection.svg b/test/output/caltrainDirection.svg
index 3a90462912..83dca158f2 100644
--- a/test/output/caltrainDirection.svg
+++ b/test/output/caltrainDirection.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/carsDodge.svg b/test/output/carsDodge.svg
index 8c84d420be..f6f9f02f55 100644
--- a/test/output/carsDodge.svg
+++ b/test/output/carsDodge.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/carsHexbin.html b/test/output/carsHexbin.html
index f58aee60a8..b220f00827 100644
--- a/test/output/carsHexbin.html
+++ b/test/output/carsHexbin.html
@@ -32,7 +32,7 @@
       </g>
     </g>
     <text x="0" y="12" fill="currentColor" font-weight="bold">weight (lb)</text>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/carsJitter.html b/test/output/carsJitter.html
index 761b9c1e35..ee27053b51 100644
--- a/test/output/carsJitter.html
+++ b/test/output/carsJitter.html
@@ -32,7 +32,7 @@
       </g>
     </g>
     <text x="0" y="12" fill="currentColor" font-weight="bold">power (hp)</text>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="350" viewBox="0 0 640 350" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="350" viewBox="0 0 640 350">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/carsMpg.svg b/test/output/carsMpg.svg
index ea5fc4c18b..8a06d03255 100644
--- a/test/output/carsMpg.svg
+++ b/test/output/carsMpg.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/carsParcoords.svg b/test/output/carsParcoords.svg
index 676b97b2d2..eee76b62ca 100644
--- a/test/output/carsParcoords.svg
+++ b/test/output/carsParcoords.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainAscending.svg b/test/output/channelDomainAscending.svg
index 2e3837c10e..8837c9f193 100644
--- a/test/output/channelDomainAscending.svg
+++ b/test/output/channelDomainAscending.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainAscendingReverse.svg b/test/output/channelDomainAscendingReverse.svg
index 5fa1c8058c..c5a2f02b5b 100644
--- a/test/output/channelDomainAscendingReverse.svg
+++ b/test/output/channelDomainAscendingReverse.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainComparator.svg b/test/output/channelDomainComparator.svg
index 5fa1c8058c..c5a2f02b5b 100644
--- a/test/output/channelDomainComparator.svg
+++ b/test/output/channelDomainComparator.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainComparatorReverse.svg b/test/output/channelDomainComparatorReverse.svg
index 3319e736c0..af245bfb87 100644
--- a/test/output/channelDomainComparatorReverse.svg
+++ b/test/output/channelDomainComparatorReverse.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainDefault.svg b/test/output/channelDomainDefault.svg
index 2e3837c10e..8837c9f193 100644
--- a/test/output/channelDomainDefault.svg
+++ b/test/output/channelDomainDefault.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainDefaultReverse.svg b/test/output/channelDomainDefaultReverse.svg
index 5fa1c8058c..c5a2f02b5b 100644
--- a/test/output/channelDomainDefaultReverse.svg
+++ b/test/output/channelDomainDefaultReverse.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainDescending.svg b/test/output/channelDomainDescending.svg
index 3319e736c0..af245bfb87 100644
--- a/test/output/channelDomainDescending.svg
+++ b/test/output/channelDomainDescending.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainDescendingReverse.svg b/test/output/channelDomainDescendingReverse.svg
index 24f997ae77..ce4a60bdb6 100644
--- a/test/output/channelDomainDescendingReverse.svg
+++ b/test/output/channelDomainDescendingReverse.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainMinus.svg b/test/output/channelDomainMinus.svg
index 3319e736c0..af245bfb87 100644
--- a/test/output/channelDomainMinus.svg
+++ b/test/output/channelDomainMinus.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainMinusReverse.svg b/test/output/channelDomainMinusReverse.svg
index 24f997ae77..ce4a60bdb6 100644
--- a/test/output/channelDomainMinusReverse.svg
+++ b/test/output/channelDomainMinusReverse.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainNull.svg b/test/output/channelDomainNull.svg
index 9db67de261..2e795f12fd 100644
--- a/test/output/channelDomainNull.svg
+++ b/test/output/channelDomainNull.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainNullReverse.svg b/test/output/channelDomainNullReverse.svg
index 45bddd8f75..6d141c376c 100644
--- a/test/output/channelDomainNullReverse.svg
+++ b/test/output/channelDomainNullReverse.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainReduceCount.svg b/test/output/channelDomainReduceCount.svg
index c905c913ed..f84d739ca3 100644
--- a/test/output/channelDomainReduceCount.svg
+++ b/test/output/channelDomainReduceCount.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/channelDomainReduceDefault.svg b/test/output/channelDomainReduceDefault.svg
index 50ca15762d..e3bc3eb5b7 100644
--- a/test/output/channelDomainReduceDefault.svg
+++ b/test/output/channelDomainReduceDefault.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="460" viewBox="0 0 640 460">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/clamp.svg b/test/output/clamp.svg
index 569390a8f6..fee4542b72 100644
--- a/test/output/clamp.svg
+++ b/test/output/clamp.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/classNameOnMarks.svg b/test/output/classNameOnMarks.svg
index 3225c3a636..67be1baca2 100644
--- a/test/output/classNameOnMarks.svg
+++ b/test/output/classNameOnMarks.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="140" viewBox="0 0 640 140" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="140" viewBox="0 0 640 140">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/collapsedHistogram.svg b/test/output/collapsedHistogram.svg
index 94558c0811..311d1cd16b 100644
--- a/test/output/collapsedHistogram.svg
+++ b/test/output/collapsedHistogram.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/colorPiecewiseLinearDomain.html b/test/output/colorPiecewiseLinearDomain.html
index 973b342300..9efe14917f 100644
--- a/test/output/colorPiecewiseLinearDomain.html
+++ b/test/output/colorPiecewiseLinearDomain.html
@@ -35,7 +35,7 @@
         <text fill="currentColor" y="9" dy="0.71em">20</text>
       </g>
     </g>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/colorPiecewiseLinearDomainReverse.html b/test/output/colorPiecewiseLinearDomainReverse.html
index 082fbfff71..57d9fb87a3 100644
--- a/test/output/colorPiecewiseLinearDomainReverse.html
+++ b/test/output/colorPiecewiseLinearDomainReverse.html
@@ -35,7 +35,7 @@
         <text fill="currentColor" y="9" dy="0.71em">20</text>
       </g>
     </g>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/colorPiecewiseLinearRange.html b/test/output/colorPiecewiseLinearRange.html
index 9d629c45ac..33e43c5d5d 100644
--- a/test/output/colorPiecewiseLinearRange.html
+++ b/test/output/colorPiecewiseLinearRange.html
@@ -39,7 +39,7 @@
         <text fill="currentColor" y="9" dy="0.71em">10</text>
       </g>
     </g>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/colorPiecewiseLinearRangeHcl.html b/test/output/colorPiecewiseLinearRangeHcl.html
index 286de7c5c9..9ea553f182 100644
--- a/test/output/colorPiecewiseLinearRangeHcl.html
+++ b/test/output/colorPiecewiseLinearRangeHcl.html
@@ -39,7 +39,7 @@
         <text fill="currentColor" y="9" dy="0.71em">10</text>
       </g>
     </g>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/colorPiecewiseLinearRangeReverse.html b/test/output/colorPiecewiseLinearRangeReverse.html
index 53945eb098..825e880a05 100644
--- a/test/output/colorPiecewiseLinearRangeReverse.html
+++ b/test/output/colorPiecewiseLinearRangeReverse.html
@@ -39,7 +39,7 @@
         <text fill="currentColor" y="9" dy="0.71em">10</text>
       </g>
     </g>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/contourCa55.svg b/test/output/contourCa55.svg
index 7a63efb9b5..dbe2b34797 100644
--- a/test/output/contourCa55.svg
+++ b/test/output/contourCa55.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/contourVapor.svg b/test/output/contourVapor.svg
index 34f7b908d2..ef3bb336db 100644
--- a/test/output/contourVapor.svg
+++ b/test/output/contourVapor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="468" viewBox="0 0 960 468" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="468" viewBox="0 0 960 468">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/countryCentroids.svg b/test/output/countryCentroids.svg
index 52f483aa3a..c4a8f2e470 100644
--- a/test/output/countryCentroids.svg
+++ b/test/output/countryCentroids.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/covidIhmeProjectedDeaths.svg b/test/output/covidIhmeProjectedDeaths.svg
index e4ed7f619d..5c684a9e6b 100644
--- a/test/output/covidIhmeProjectedDeaths.svg
+++ b/test/output/covidIhmeProjectedDeaths.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/crimeanWarArrow.svg b/test/output/crimeanWarArrow.svg
index ae661c9970..ed1b0577d0 100644
--- a/test/output/crimeanWarArrow.svg
+++ b/test/output/crimeanWarArrow.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/crimeanWarLine.svg b/test/output/crimeanWarLine.svg
index efb5e73933..8c31fb8643 100644
--- a/test/output/crimeanWarLine.svg
+++ b/test/output/crimeanWarLine.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/crimeanWarOverlapped.svg b/test/output/crimeanWarOverlapped.svg
index 9c30bf4521..c1f2d9f7f5 100644
--- a/test/output/crimeanWarOverlapped.svg
+++ b/test/output/crimeanWarOverlapped.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/crimeanWarStacked.svg b/test/output/crimeanWarStacked.svg
index a4f1a8c3e1..8b246e9a71 100644
--- a/test/output/crimeanWarStacked.svg
+++ b/test/output/crimeanWarStacked.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/crosshairContinuousX.svg b/test/output/crosshairContinuousX.svg
index cb919b560c..bfe68bc5da 100644
--- a/test/output/crosshairContinuousX.svg
+++ b/test/output/crosshairContinuousX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="270" viewBox="0 0 640 270" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="270" viewBox="0 0 640 270">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/crosshairDodge.svg b/test/output/crosshairDodge.svg
index 0b8eb36997..4f6c541a82 100644
--- a/test/output/crosshairDodge.svg
+++ b/test/output/crosshairDodge.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/crosshairDot.svg b/test/output/crosshairDot.svg
index bf6a7b8190..1f9c1a16a2 100644
--- a/test/output/crosshairDot.svg
+++ b/test/output/crosshairDot.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/crosshairDotFacet.svg b/test/output/crosshairDotFacet.svg
index 349c53dc23..3af2b667bd 100644
--- a/test/output/crosshairDotFacet.svg
+++ b/test/output/crosshairDotFacet.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="480" viewBox="0 0 640 480" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="480" viewBox="0 0 640 480">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/crosshairHexbin.svg b/test/output/crosshairHexbin.svg
index 0ffd5a54ac..54ee2cfc0c 100644
--- a/test/output/crosshairHexbin.svg
+++ b/test/output/crosshairHexbin.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/crosshairLine.svg b/test/output/crosshairLine.svg
index a85633e745..7fb5c2b7fa 100644
--- a/test/output/crosshairLine.svg
+++ b/test/output/crosshairLine.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/curves.svg b/test/output/curves.svg
index b1d1ce7041..0309e01685 100644
--- a/test/output/curves.svg
+++ b/test/output/curves.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="500" height="547.8103861691175" viewBox="0 0 500 547.8103861691175" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="500" height="547.8103861691175" viewBox="0 0 500 547.8103861691175">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/d3Survey2015Comfort.svg b/test/output/d3Survey2015Comfort.svg
index 2ddeab1cf9..e60934a6fa 100644
--- a/test/output/d3Survey2015Comfort.svg
+++ b/test/output/d3Survey2015Comfort.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="150" viewBox="0 0 960 150" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="150" viewBox="0 0 960 150">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/d3Survey2015Why.svg b/test/output/d3Survey2015Why.svg
index e27ec87fc5..4b66c51139 100644
--- a/test/output/d3Survey2015Why.svg
+++ b/test/output/d3Survey2015Why.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="350" viewBox="0 0 960 350" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="350" viewBox="0 0 960 350">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/darkerDodge.svg b/test/output/darkerDodge.svg
index a8ebc3fa6d..6ea118296c 100644
--- a/test/output/darkerDodge.svg
+++ b/test/output/darkerDodge.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="170" viewBox="0 0 640 170" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="170" viewBox="0 0 640 170">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/decathlon.html b/test/output/decathlon.html
index 033ea126a2..f35f20a73b 100644
--- a/test/output/decathlon.html
+++ b/test/output/decathlon.html
@@ -39,7 +39,7 @@
       </svg>TCH</span><span class="plot-swatch"><svg viewBox="-8 -8 16 16" width="15" height="15" fill="none" fill-opacity="1" stroke="#a463f2" stroke-opacity="1" stroke-width="1.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <path d="M0,-4.995L4.995,0L0,4.995L-4.995,0Z"></path>
       </svg>USA</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/diamondsBoxplot.svg b/test/output/diamondsBoxplot.svg
index 1d3346cfcc..825ee302ec 100644
--- a/test/output/diamondsBoxplot.svg
+++ b/test/output/diamondsBoxplot.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="220" viewBox="0 0 640 220" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="220" viewBox="0 0 640 220">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/diamondsCaratPrice.svg b/test/output/diamondsCaratPrice.svg
index 4f80c7ddbc..fb66c3c5f8 100644
--- a/test/output/diamondsCaratPrice.svg
+++ b/test/output/diamondsCaratPrice.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/diamondsCaratPriceDots.svg b/test/output/diamondsCaratPriceDots.svg
index 251e615dc6..f26770c706 100644
--- a/test/output/diamondsCaratPriceDots.svg
+++ b/test/output/diamondsCaratPriceDots.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/diamondsCaratSampling.svg b/test/output/diamondsCaratSampling.svg
index 780c39380a..1c62b44fb6 100644
--- a/test/output/diamondsCaratSampling.svg
+++ b/test/output/diamondsCaratSampling.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceFilterX.svg b/test/output/differenceFilterX.svg
index 42528783f9..196787b920 100644
--- a/test/output/differenceFilterX.svg
+++ b/test/output/differenceFilterX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceFilterY1.svg b/test/output/differenceFilterY1.svg
index d0f047f8e9..cbc718d27d 100644
--- a/test/output/differenceFilterY1.svg
+++ b/test/output/differenceFilterY1.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceFilterY2.svg b/test/output/differenceFilterY2.svg
index 5fa3d1a60d..ca22a46665 100644
--- a/test/output/differenceFilterY2.svg
+++ b/test/output/differenceFilterY2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceX.svg b/test/output/differenceX.svg
index 427afb43dc..5d05ecbe13 100644
--- a/test/output/differenceX.svg
+++ b/test/output/differenceX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceY.svg b/test/output/differenceY.svg
index 0ae2fbf577..03eb99e8b8 100644
--- a/test/output/differenceY.svg
+++ b/test/output/differenceY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceY1.svg b/test/output/differenceY1.svg
index 151c7955ca..c03494c508 100644
--- a/test/output/differenceY1.svg
+++ b/test/output/differenceY1.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceYClip.svg b/test/output/differenceYClip.svg
index 2fa0ea6368..f063df8b56 100644
--- a/test/output/differenceYClip.svg
+++ b/test/output/differenceYClip.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceYClipVariable.svg b/test/output/differenceYClipVariable.svg
index 6e179dcfaa..caf4cec4dd 100644
--- a/test/output/differenceYClipVariable.svg
+++ b/test/output/differenceYClipVariable.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceYConstant.svg b/test/output/differenceYConstant.svg
index 60b6fa086e..bf08edd1df 100644
--- a/test/output/differenceYConstant.svg
+++ b/test/output/differenceYConstant.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceYCurve.svg b/test/output/differenceYCurve.svg
index 7140e341e3..581e1ad889 100644
--- a/test/output/differenceYCurve.svg
+++ b/test/output/differenceYCurve.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceYNegative.svg b/test/output/differenceYNegative.svg
index 8607b76012..62d1ed66fa 100644
--- a/test/output/differenceYNegative.svg
+++ b/test/output/differenceYNegative.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceYOrdinal.svg b/test/output/differenceYOrdinal.svg
index a3c8e33098..b4f07d64ea 100644
--- a/test/output/differenceYOrdinal.svg
+++ b/test/output/differenceYOrdinal.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceYOrdinalFlip.svg b/test/output/differenceYOrdinalFlip.svg
index 369d5d630d..0cd96bd470 100644
--- a/test/output/differenceYOrdinalFlip.svg
+++ b/test/output/differenceYOrdinalFlip.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceYRandom.svg b/test/output/differenceYRandom.svg
index b14e35f8f2..96bf7693d1 100644
--- a/test/output/differenceYRandom.svg
+++ b/test/output/differenceYRandom.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceYReverse.svg b/test/output/differenceYReverse.svg
index f21f52f7e0..b9adf6a62d 100644
--- a/test/output/differenceYReverse.svg
+++ b/test/output/differenceYReverse.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceYVariable.svg b/test/output/differenceYVariable.svg
index 36c5964185..89e2fe8bf2 100644
--- a/test/output/differenceYVariable.svg
+++ b/test/output/differenceYVariable.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/differenceYZero.svg b/test/output/differenceYZero.svg
index 14db8a3f92..7a8a5d3702 100644
--- a/test/output/differenceYZero.svg
+++ b/test/output/differenceYZero.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/documentationLinks.svg b/test/output/documentationLinks.svg
index c2eecc2543..7f219dd039 100644
--- a/test/output/documentationLinks.svg
+++ b/test/output/documentationLinks.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="560" viewBox="0 0 640 560" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="560" viewBox="0 0 640 560">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/dodgeRule.svg b/test/output/dodgeRule.svg
index eaf4353416..50f0cc6ad7 100644
--- a/test/output/dodgeRule.svg
+++ b/test/output/dodgeRule.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/dodgeTextRadius.svg b/test/output/dodgeTextRadius.svg
index e4664a17a0..58283c006d 100644
--- a/test/output/dodgeTextRadius.svg
+++ b/test/output/dodgeTextRadius.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/dodgeTick.svg b/test/output/dodgeTick.svg
index 7050594359..5d71f11ff7 100644
--- a/test/output/dodgeTick.svg
+++ b/test/output/dodgeTick.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/dotSort.html b/test/output/dotSort.html
index c3c4ee91cf..28cc0414b2 100644
--- a/test/output/dotSort.html
+++ b/test/output/dotSort.html
@@ -1,5 +1,5 @@
 <span>
-  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -28,7 +28,7 @@
     <figcaption>default sort (r desc)</figcaption>
   </figure>
   <br>
-  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -57,7 +57,7 @@
     <figcaption>sort by r</figcaption>
   </figure>
   <br>
-  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -86,7 +86,7 @@
     <figcaption>null sort</figcaption>
   </figure>
   <br>
-  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -115,7 +115,7 @@
     <figcaption>reverse</figcaption>
   </figure>
   <br>
-  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -144,7 +144,7 @@
     <figcaption>sort by x</figcaption>
   </figure>
   <br>
-  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -173,7 +173,7 @@
     <figcaption>reverse sort by x</figcaption>
   </figure>
   <br>
-  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="60" viewBox="0 0 300 60">
       <style>
         :where(.plot) {
           --plot-background: white;
diff --git a/test/output/downloads.svg b/test/output/downloads.svg
index 4b0fb6d555..06e2587fa6 100644
--- a/test/output/downloads.svg
+++ b/test/output/downloads.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/downloadsOrdinal.svg b/test/output/downloadsOrdinal.svg
index 80263c2375..e05c0fe789 100644
--- a/test/output/downloadsOrdinal.svg
+++ b/test/output/downloadsOrdinal.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/driving.svg b/test/output/driving.svg
index bb2b0bd651..c8af1b41a1 100644
--- a/test/output/driving.svg
+++ b/test/output/driving.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/electricityDemand.svg b/test/output/electricityDemand.svg
index ecc463b80c..acbd10473b 100644
--- a/test/output/electricityDemand.svg
+++ b/test/output/electricityDemand.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="400" viewBox="0 0 960 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="400" viewBox="0 0 960 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/empty.svg b/test/output/empty.svg
index 7e344d02cc..49fb16e110 100644
--- a/test/output/empty.svg
+++ b/test/output/empty.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/emptyFacet.svg b/test/output/emptyFacet.svg
index 5b48273f27..1662a4ce46 100644
--- a/test/output/emptyFacet.svg
+++ b/test/output/emptyFacet.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/emptyLegend.svg b/test/output/emptyLegend.svg
index 274a9dae6c..2d5290e5b6 100644
--- a/test/output/emptyLegend.svg
+++ b/test/output/emptyLegend.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/emptyX.svg b/test/output/emptyX.svg
index 274a9dae6c..2d5290e5b6 100644
--- a/test/output/emptyX.svg
+++ b/test/output/emptyX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/energyProduction.html b/test/output/energyProduction.html
index c72f2f427f..dac48af534 100644
--- a/test/output/energyProduction.html
+++ b/test/output/energyProduction.html
@@ -31,7 +31,7 @@
       </svg>Renewable</span><span class="plot-swatch"><svg width="15" height="15" fill="#ff725c" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>Nuclear</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/errorBarX.svg b/test/output/errorBarX.svg
index 8d6a5b6c66..1cdff40b4a 100644
--- a/test/output/errorBarX.svg
+++ b/test/output/errorBarX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/errorBarY.svg b/test/output/errorBarY.svg
index b34bb8f574..f4472dc358 100644
--- a/test/output/errorBarY.svg
+++ b/test/output/errorBarY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/facetReindex.svg b/test/output/facetReindex.svg
index 2be7e12e12..1fe29da45f 100644
--- a/test/output/facetReindex.svg
+++ b/test/output/facetReindex.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="830" height="130" viewBox="0 0 830 130" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="830" height="130" viewBox="0 0 830 130">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/faithfulDensity.svg b/test/output/faithfulDensity.svg
index 88f1607ded..a6b26d1bbb 100644
--- a/test/output/faithfulDensity.svg
+++ b/test/output/faithfulDensity.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/faithfulDensity1d.svg b/test/output/faithfulDensity1d.svg
index 9c61597950..7ca336c35f 100644
--- a/test/output/faithfulDensity1d.svg
+++ b/test/output/faithfulDensity1d.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="100" viewBox="0 0 640 100" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="100" viewBox="0 0 640 100">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/faithfulDensityFill.svg b/test/output/faithfulDensityFill.svg
index dca5ba99c3..bea95eef41 100644
--- a/test/output/faithfulDensityFill.svg
+++ b/test/output/faithfulDensityFill.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/federalFunds.svg b/test/output/federalFunds.svg
index e56969019c..d9e7549e40 100644
--- a/test/output/federalFunds.svg
+++ b/test/output/federalFunds.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/figcaption.html b/test/output/figcaption.html
index 535f764a21..1e08452cd9 100644
--- a/test/output/figcaption.html
+++ b/test/output/figcaption.html
@@ -1,4 +1,4 @@
-<figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/figcaptionHtml.html b/test/output/figcaptionHtml.html
index 8c4b59ffbf..0d546a03bb 100644
--- a/test/output/figcaptionHtml.html
+++ b/test/output/figcaptionHtml.html
@@ -1,4 +1,4 @@
-<figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<figure class="plot-d6a7b5-figure" style="max-width: initial;"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/findArrow.html b/test/output/findArrow.html
index 628f3d72c6..9ff49fce07 100644
--- a/test/output/findArrow.html
+++ b/test/output/findArrow.html
@@ -31,7 +31,7 @@
       </svg>Y20-24</span><span class="plot-swatch"><svg width="15" height="15" fill="#ff725c" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>Y25-29</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/firstLadies.svg b/test/output/firstLadies.svg
index 207229f739..4be77d06b4 100644
--- a/test/output/firstLadies.svg
+++ b/test/output/firstLadies.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="1120" viewBox="0 0 960 1120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="1120" viewBox="0 0 960 1120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/flareCluster.svg b/test/output/flareCluster.svg
index ec894d0cd4..1b5c2f5777 100644
--- a/test/output/flareCluster.svg
+++ b/test/output/flareCluster.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="2400" viewBox="0 0 640 2400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="2400" viewBox="0 0 640 2400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/flareIndent.svg b/test/output/flareIndent.svg
index d215abf30a..c21dae96a8 100644
--- a/test/output/flareIndent.svg
+++ b/test/output/flareIndent.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="200" height="3600" viewBox="0 0 200 3600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="200" height="3600" viewBox="0 0 200 3600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/flareTree.svg b/test/output/flareTree.svg
index cfb25f4862..e010ce23cd 100644
--- a/test/output/flareTree.svg
+++ b/test/output/flareTree.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1800" viewBox="0 0 640 1800" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1800" viewBox="0 0 640 1800">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/footballCoverage.svg b/test/output/footballCoverage.svg
index e1dac26e6c..2f094caf8c 100644
--- a/test/output/footballCoverage.svg
+++ b/test/output/footballCoverage.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/frameCorners.svg b/test/output/frameCorners.svg
index dc843c4d24..6177ea6965 100644
--- a/test/output/frameCorners.svg
+++ b/test/output/frameCorners.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/frameFacet.svg b/test/output/frameFacet.svg
index 4701120fd0..e1ce3e756b 100644
--- a/test/output/frameFacet.svg
+++ b/test/output/frameFacet.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/frameFillCategorical.html b/test/output/frameFillCategorical.html
index 2a68729c31..457b71c92f 100644
--- a/test/output/frameFillCategorical.html
+++ b/test/output/frameFillCategorical.html
@@ -31,7 +31,7 @@
       </svg>baz</span><span class="plot-swatch"><svg width="15" height="15" fill="#ff725c" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>foo</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/frameFillQuantitative.html b/test/output/frameFillQuantitative.html
index 28bcdd8fe2..0cee55d988 100644
--- a/test/output/frameFillQuantitative.html
+++ b/test/output/frameFillQuantitative.html
@@ -39,7 +39,7 @@
         <text fill="currentColor" y="9" dy="0.71em">10</text>
       </g>
     </g>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/frameSides.svg b/test/output/frameSides.svg
index 0358c643fb..6917178c19 100644
--- a/test/output/frameSides.svg
+++ b/test/output/frameSides.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="350" height="250" viewBox="0 0 350 250" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="350" height="250" viewBox="0 0 350 250">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/frameSidesX.svg b/test/output/frameSidesX.svg
index bf8e4a5344..102151a281 100644
--- a/test/output/frameSidesX.svg
+++ b/test/output/frameSidesX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="350" height="250" viewBox="0 0 350 250" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="350" height="250" viewBox="0 0 350 250">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/frameSidesXY.svg b/test/output/frameSidesXY.svg
index 8e1313341b..793bd8cf5a 100644
--- a/test/output/frameSidesXY.svg
+++ b/test/output/frameSidesXY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="350" height="250" viewBox="0 0 350 250" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="350" height="250" viewBox="0 0 350 250">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/frameSidesY.svg b/test/output/frameSidesY.svg
index 7c98cafca1..04ac9c62f3 100644
--- a/test/output/frameSidesY.svg
+++ b/test/output/frameSidesY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="350" height="250" viewBox="0 0 350 250" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="350" height="250" viewBox="0 0 350 250">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/fruitSales.svg b/test/output/fruitSales.svg
index b8103842af..149c829f2b 100644
--- a/test/output/fruitSales.svg
+++ b/test/output/fruitSales.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="140" viewBox="0 0 640 140" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="140" viewBox="0 0 640 140">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/fruitSalesDate.svg b/test/output/fruitSalesDate.svg
index d57ff28477..fa37aa6031 100644
--- a/test/output/fruitSalesDate.svg
+++ b/test/output/fruitSalesDate.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/fruitSalesSingleDate.svg b/test/output/fruitSalesSingleDate.svg
index a89884e12a..d1fbb82273 100644
--- a/test/output/fruitSalesSingleDate.svg
+++ b/test/output/fruitSalesSingleDate.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/functionContour.svg b/test/output/functionContour.svg
index 4733f0a1f6..bedd1b73e1 100644
--- a/test/output/functionContour.svg
+++ b/test/output/functionContour.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/functionContourFaceted.svg b/test/output/functionContourFaceted.svg
index 17b423765c..0b815df997 100644
--- a/test/output/functionContourFaceted.svg
+++ b/test/output/functionContourFaceted.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/functionContourFaceted2.svg b/test/output/functionContourFaceted2.svg
index 17b423765c..0b815df997 100644
--- a/test/output/functionContourFaceted2.svg
+++ b/test/output/functionContourFaceted2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/futureSplom.svg b/test/output/futureSplom.svg
index ea59e2f41c..5edc99bb3a 100644
--- a/test/output/futureSplom.svg
+++ b/test/output/futureSplom.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="400" height="400" viewBox="0 0 400 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="400" height="400" viewBox="0 0 400 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/geoLine.svg b/test/output/geoLine.svg
index 5f999e15ac..93c6c36d42 100644
--- a/test/output/geoLine.svg
+++ b/test/output/geoLine.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/geoLink.svg b/test/output/geoLink.svg
index f8f4a5e745..c341d59c56 100644
--- a/test/output/geoLink.svg
+++ b/test/output/geoLink.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="312" viewBox="0 0 640 312" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="312" viewBox="0 0 640 312">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/geoText.svg b/test/output/geoText.svg
index a38224101f..dda8ffdc82 100644
--- a/test/output/geoText.svg
+++ b/test/output/geoText.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="496" viewBox="0 0 640 496" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="496" viewBox="0 0 640 496">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/geoTip.svg b/test/output/geoTip.svg
index e729853b92..7f8b58e9dd 100644
--- a/test/output/geoTip.svg
+++ b/test/output/geoTip.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="900" height="238" viewBox="0 0 900 238" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="900" height="238" viewBox="0 0 900 238">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/geoTipCentroid.svg b/test/output/geoTipCentroid.svg
index e729853b92..7f8b58e9dd 100644
--- a/test/output/geoTipCentroid.svg
+++ b/test/output/geoTipCentroid.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="900" height="238" viewBox="0 0 900 238" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="900" height="238" viewBox="0 0 900 238">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/geoTipGeoCentroid.svg b/test/output/geoTipGeoCentroid.svg
index e729853b92..7f8b58e9dd 100644
--- a/test/output/geoTipGeoCentroid.svg
+++ b/test/output/geoTipGeoCentroid.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="900" height="238" viewBox="0 0 900 238" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="900" height="238" viewBox="0 0 900 238">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/geoTipXY.svg b/test/output/geoTipXY.svg
index e729853b92..7f8b58e9dd 100644
--- a/test/output/geoTipXY.svg
+++ b/test/output/geoTipXY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="900" height="238" viewBox="0 0 900 238" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="900" height="238" viewBox="0 0 900 238">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/gistempAnomaly.svg b/test/output/gistempAnomaly.svg
index d7167eac42..23e929f44d 100644
--- a/test/output/gistempAnomaly.svg
+++ b/test/output/gistempAnomaly.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/gistempAnomalyMoving.svg b/test/output/gistempAnomalyMoving.svg
index 9336123291..80edb0e029 100644
--- a/test/output/gistempAnomalyMoving.svg
+++ b/test/output/gistempAnomalyMoving.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/gistempAnomalyTransform.svg b/test/output/gistempAnomalyTransform.svg
index 87d746243d..432af8b18c 100644
--- a/test/output/gistempAnomalyTransform.svg
+++ b/test/output/gistempAnomalyTransform.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/googleTrendsRidgeline.svg b/test/output/googleTrendsRidgeline.svg
index 973fddfba7..7cd649e153 100644
--- a/test/output/googleTrendsRidgeline.svg
+++ b/test/output/googleTrendsRidgeline.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="1260" viewBox="0 0 960 1260" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="1260" viewBox="0 0 960 1260">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/graticule.svg b/test/output/graticule.svg
index 4bc85325ae..c21e6f079c 100644
--- a/test/output/graticule.svg
+++ b/test/output/graticule.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="470" viewBox="0 0 960 470" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="470" viewBox="0 0 960 470">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/greekGods.svg b/test/output/greekGods.svg
index 37e2bca5a1..02a21567e4 100644
--- a/test/output/greekGods.svg
+++ b/test/output/greekGods.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/greekGodsExplicit.svg b/test/output/greekGodsExplicit.svg
index 493f74eace..b35241f8a0 100644
--- a/test/output/greekGodsExplicit.svg
+++ b/test/output/greekGodsExplicit.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/greekGodsTip.svg b/test/output/greekGodsTip.svg
index 9c8aa2c6cd..a9360ec9f1 100644
--- a/test/output/greekGodsTip.svg
+++ b/test/output/greekGodsTip.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/gridChoropleth.svg b/test/output/gridChoropleth.svg
index b0e37b0e5e..3daecdd532 100644
--- a/test/output/gridChoropleth.svg
+++ b/test/output/gridChoropleth.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="420" viewBox="0 0 640 420" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="420" viewBox="0 0 640 420">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/gridChoroplethDx.svg b/test/output/gridChoroplethDx.svg
index 004628ba16..0ccc805156 100644
--- a/test/output/gridChoroplethDx.svg
+++ b/test/output/gridChoroplethDx.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="420" viewBox="0 0 640 420" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="420" viewBox="0 0 640 420">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/gridReduceIdentity.svg b/test/output/gridReduceIdentity.svg
index 03cd47c78c..a5087d4e39 100644
--- a/test/output/gridReduceIdentity.svg
+++ b/test/output/gridReduceIdentity.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="293.66666666666663" viewBox="0 0 640 293.66666666666663" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="293.66666666666663" viewBox="0 0 640 293.66666666666663">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/groupMarker.svg b/test/output/groupMarker.svg
index bf7d2454d4..39cf4fb4ae 100644
--- a/test/output/groupMarker.svg
+++ b/test/output/groupMarker.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="643.1862703637397" viewBox="0 0 640 643.1862703637397" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="643.1862703637397" viewBox="0 0 640 643.1862703637397">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/groupMarkerEnd.svg b/test/output/groupMarkerEnd.svg
index 555af41001..31f4372f62 100644
--- a/test/output/groupMarkerEnd.svg
+++ b/test/output/groupMarkerEnd.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640.5189532673676" viewBox="0 0 640 640.5189532673676" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640.5189532673676" viewBox="0 0 640 640.5189532673676">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/groupMarkerMid.svg b/test/output/groupMarkerMid.svg
index 8be8a4512f..f7d0970e54 100644
--- a/test/output/groupMarkerMid.svg
+++ b/test/output/groupMarkerMid.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="643.1862703637397" viewBox="0 0 640 643.1862703637397" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="643.1862703637397" viewBox="0 0 640 643.1862703637397">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/groupMarkerStart.svg b/test/output/groupMarkerStart.svg
index 91564afef4..7a98bceecf 100644
--- a/test/output/groupMarkerStart.svg
+++ b/test/output/groupMarkerStart.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640.5189532673676" viewBox="0 0 640 640.5189532673676" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640.5189532673676" viewBox="0 0 640 640.5189532673676">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/groupedRects.svg b/test/output/groupedRects.svg
index 608ee77cc4..458ec1e120 100644
--- a/test/output/groupedRects.svg
+++ b/test/output/groupedRects.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/hadcrutWarmingStripes.svg b/test/output/hadcrutWarmingStripes.svg
index 54e299e9ae..8b9ede7739 100644
--- a/test/output/hadcrutWarmingStripes.svg
+++ b/test/output/hadcrutWarmingStripes.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/heatmap.svg b/test/output/heatmap.svg
index 517e15525f..c8e3206b5f 100644
--- a/test/output/heatmap.svg
+++ b/test/output/heatmap.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/heatmapArray.svg b/test/output/heatmapArray.svg
index 517e15525f..c8e3206b5f 100644
--- a/test/output/heatmapArray.svg
+++ b/test/output/heatmapArray.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/heatmapConstantOpacity.svg b/test/output/heatmapConstantOpacity.svg
index 5d4c9536cd..b1884110f0 100644
--- a/test/output/heatmapConstantOpacity.svg
+++ b/test/output/heatmapConstantOpacity.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/heatmapFaceted.svg b/test/output/heatmapFaceted.svg
index 377870172c..610c43708b 100644
--- a/test/output/heatmapFaceted.svg
+++ b/test/output/heatmapFaceted.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/heatmapFillOpacity.svg b/test/output/heatmapFillOpacity.svg
index 773eaeb31d..b3d2bebf65 100644
--- a/test/output/heatmapFillOpacity.svg
+++ b/test/output/heatmapFillOpacity.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/heatmapLog.svg b/test/output/heatmapLog.svg
index 831c637af3..72fc2c9281 100644
--- a/test/output/heatmapLog.svg
+++ b/test/output/heatmapLog.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="630" viewBox="0 0 640 630" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="630" viewBox="0 0 640 630">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/heatmapOpacity.svg b/test/output/heatmapOpacity.svg
index 1cc14898a1..9537add5e6 100644
--- a/test/output/heatmapOpacity.svg
+++ b/test/output/heatmapOpacity.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/heatmapPartial.svg b/test/output/heatmapPartial.svg
index c71591e33f..dd2931a9ae 100644
--- a/test/output/heatmapPartial.svg
+++ b/test/output/heatmapPartial.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/hexbin.svg b/test/output/hexbin.svg
index a2a2505ea3..e2effe30e7 100644
--- a/test/output/hexbin.svg
+++ b/test/output/hexbin.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/hexbinFillX.svg b/test/output/hexbinFillX.svg
index fd80f6f95d..d50c50f3b5 100644
--- a/test/output/hexbinFillX.svg
+++ b/test/output/hexbinFillX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/hexbinIdentityReduce.svg b/test/output/hexbinIdentityReduce.svg
index df736b9267..0f9e5697cc 100644
--- a/test/output/hexbinIdentityReduce.svg
+++ b/test/output/hexbinIdentityReduce.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/hexbinOranges.svg b/test/output/hexbinOranges.svg
index 1d5cdcf61a..6993391e1c 100644
--- a/test/output/hexbinOranges.svg
+++ b/test/output/hexbinOranges.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/hexbinR.html b/test/output/hexbinR.html
index 5ade25928a..8cef5adaba 100644
--- a/test/output/hexbinR.html
+++ b/test/output/hexbinR.html
@@ -32,7 +32,7 @@
       </g>
     </g>
     <text x="0" y="12" fill="currentColor" font-weight="bold">Proportion of each sex (%)</text>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="320" viewBox="0 0 960 320" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="320" viewBox="0 0 960 320">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/hexbinSymbol.html b/test/output/hexbinSymbol.html
index 2cacfc697a..14efd5fe08 100644
--- a/test/output/hexbinSymbol.html
+++ b/test/output/hexbinSymbol.html
@@ -31,7 +31,7 @@
       </svg>MALE</span><span class="plot-swatch"><svg viewBox="-8 -8 16 16" width="15" height="15" fill="none" fill-opacity="1" stroke="currentColor" stroke-opacity="1" stroke-width="1.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <path d="M-4.87,-4.87L4.87,4.87M-4.87,4.87L4.87,-4.87"></path>
       </svg>null</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/hexbinText.svg b/test/output/hexbinText.svg
index e91aee982e..c62b8419f8 100644
--- a/test/output/hexbinText.svg
+++ b/test/output/hexbinText.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="320" viewBox="0 0 960 320" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="320" viewBox="0 0 960 320">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/hexbinZ.html b/test/output/hexbinZ.html
index 747c7a9d86..ae2d60c495 100644
--- a/test/output/hexbinZ.html
+++ b/test/output/hexbinZ.html
@@ -31,7 +31,7 @@
       </svg>Chinstrap</span><span class="plot-swatch"><svg width="15" height="15" fill="#ff725c" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>Gentoo</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/hexbinZNull.svg b/test/output/hexbinZNull.svg
index 1ad7df392c..e0ddc926da 100644
--- a/test/output/hexbinZNull.svg
+++ b/test/output/hexbinZNull.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/highCardinalityOrdinal.svg b/test/output/highCardinalityOrdinal.svg
index 3e6bb8b567..a05e2937e5 100644
--- a/test/output/highCardinalityOrdinal.svg
+++ b/test/output/highCardinalityOrdinal.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/hrefFill.svg b/test/output/hrefFill.svg
index 50ca75556d..478f4f44f6 100644
--- a/test/output/hrefFill.svg
+++ b/test/output/hrefFill.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/ibmTrading.svg b/test/output/ibmTrading.svg
index 113bbcb8f2..6994e0158d 100644
--- a/test/output/ibmTrading.svg
+++ b/test/output/ibmTrading.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/identityScale.svg b/test/output/identityScale.svg
index a6e60633fb..9036f65e79 100644
--- a/test/output/identityScale.svg
+++ b/test/output/identityScale.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/imagePixelated.svg b/test/output/imagePixelated.svg
index 01fbb40bba..9049881ce2 100644
--- a/test/output/imagePixelated.svg
+++ b/test/output/imagePixelated.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="200" viewBox="0 0 300 200" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="300" height="200" viewBox="0 0 300 200">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/industryUnemployment.svg b/test/output/industryUnemployment.svg
index ff69b70e9f..31485d620a 100644
--- a/test/output/industryUnemployment.svg
+++ b/test/output/industryUnemployment.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/industryUnemploymentShare.svg b/test/output/industryUnemploymentShare.svg
index ac7e22f1e2..9d28970c12 100644
--- a/test/output/industryUnemploymentShare.svg
+++ b/test/output/industryUnemploymentShare.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/industryUnemploymentStream.svg b/test/output/industryUnemploymentStream.svg
index d07c5fc7ff..305e4fb6d0 100644
--- a/test/output/industryUnemploymentStream.svg
+++ b/test/output/industryUnemploymentStream.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/industryUnemploymentTrack.svg b/test/output/industryUnemploymentTrack.svg
index 41ffdc0202..eefb5e600f 100644
--- a/test/output/industryUnemploymentTrack.svg
+++ b/test/output/industryUnemploymentTrack.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="340" viewBox="0 0 640 340" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="340" viewBox="0 0 640 340">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/infinityLog.svg b/test/output/infinityLog.svg
index 6635cbdd4c..b3d6571ff9 100644
--- a/test/output/infinityLog.svg
+++ b/test/output/infinityLog.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/integerInterval.svg b/test/output/integerInterval.svg
index b239c424eb..dd9cc91b96 100644
--- a/test/output/integerInterval.svg
+++ b/test/output/integerInterval.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/integerIntervalArea.html b/test/output/integerIntervalArea.html
index d7073c9069..56ccdddc5d 100644
--- a/test/output/integerIntervalArea.html
+++ b/test/output/integerIntervalArea.html
@@ -29,7 +29,7 @@
       </svg>a</span><span class="plot-swatch"><svg width="15" height="15" fill="#efb118" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>b</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/integerIntervalAreaZ.html b/test/output/integerIntervalAreaZ.html
index ca3f3de41b..e6a245359f 100644
--- a/test/output/integerIntervalAreaZ.html
+++ b/test/output/integerIntervalAreaZ.html
@@ -35,7 +35,7 @@
       </svg>b</span><span class="plot-swatch"><svg width="15" height="15" fill="#fb9a99" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>c</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/internFacetDate.svg b/test/output/internFacetDate.svg
index b650a76df1..eeacabc9a9 100644
--- a/test/output/internFacetDate.svg
+++ b/test/output/internFacetDate.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="900" viewBox="0 0 640 900" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="900" viewBox="0 0 640 900">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/internFacetNaN.svg b/test/output/internFacetNaN.svg
index 4f6e4f98cd..a3787013ff 100644
--- a/test/output/internFacetNaN.svg
+++ b/test/output/internFacetNaN.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="540" viewBox="0 0 640 540" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="540" viewBox="0 0 640 540">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/interpolateBarycentric4.svg b/test/output/interpolateBarycentric4.svg
index 26f848e98b..e5584aa282 100644
--- a/test/output/interpolateBarycentric4.svg
+++ b/test/output/interpolateBarycentric4.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/interpolateBarycentric4k.svg b/test/output/interpolateBarycentric4k.svg
index d005e0f9a1..be22d72447 100644
--- a/test/output/interpolateBarycentric4k.svg
+++ b/test/output/interpolateBarycentric4k.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/intervalAwareBin.svg b/test/output/intervalAwareBin.svg
index 4b6130db22..4852518296 100644
--- a/test/output/intervalAwareBin.svg
+++ b/test/output/intervalAwareBin.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/intervalAwareGroup.svg b/test/output/intervalAwareGroup.svg
index c7fc2d4744..7010e844ed 100644
--- a/test/output/intervalAwareGroup.svg
+++ b/test/output/intervalAwareGroup.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/intervalAwareStack.svg b/test/output/intervalAwareStack.svg
index 7136a32cbb..8ddaf1130a 100644
--- a/test/output/intervalAwareStack.svg
+++ b/test/output/intervalAwareStack.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/intradayHistogram.svg b/test/output/intradayHistogram.svg
index 71e576ae3b..cfd945f185 100644
--- a/test/output/intradayHistogram.svg
+++ b/test/output/intradayHistogram.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/kittenConstant.svg b/test/output/kittenConstant.svg
index 8e41e2426d..e17a1ddd4d 100644
--- a/test/output/kittenConstant.svg
+++ b/test/output/kittenConstant.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="520" height="520" viewBox="0 0 520 520" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="520" height="520" viewBox="0 0 520 520">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/kittenConstantRotate.svg b/test/output/kittenConstantRotate.svg
index b41c69d0af..c7feeb7588 100644
--- a/test/output/kittenConstantRotate.svg
+++ b/test/output/kittenConstantRotate.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="520" height="520" viewBox="0 0 520 520" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="520" height="520" viewBox="0 0 520 520">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/kittenConstantWidthHeight.svg b/test/output/kittenConstantWidthHeight.svg
index ac98c2299f..b9bef63b67 100644
--- a/test/output/kittenConstantWidthHeight.svg
+++ b/test/output/kittenConstantWidthHeight.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="520" height="520" viewBox="0 0 520 520" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="520" height="520" viewBox="0 0 520 520">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/kittenVariable.svg b/test/output/kittenVariable.svg
index 3e54c279b4..865512646a 100644
--- a/test/output/kittenVariable.svg
+++ b/test/output/kittenVariable.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="520" height="520" viewBox="0 0 520 520" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="520" height="520" viewBox="0 0 520 520">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/kittenVariableDodge.svg b/test/output/kittenVariableDodge.svg
index ece3905dc0..44ee7737ef 100644
--- a/test/output/kittenVariableDodge.svg
+++ b/test/output/kittenVariableDodge.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="520" height="520" viewBox="0 0 520 520" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="520" height="520" viewBox="0 0 520 520">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/kittenVariableRotate.svg b/test/output/kittenVariableRotate.svg
index 54ba4fe931..56be4de542 100644
--- a/test/output/kittenVariableRotate.svg
+++ b/test/output/kittenVariableRotate.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="520" height="520" viewBox="0 0 520 520" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="520" height="520" viewBox="0 0 520 520">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/learningPoverty.svg b/test/output/learningPoverty.svg
index 1e7015b1f0..0526aa5f3d 100644
--- a/test/output/learningPoverty.svg
+++ b/test/output/learningPoverty.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1160" viewBox="0 0 640 1160" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1160" viewBox="0 0 640 1160">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/letterFrequencyBar.svg b/test/output/letterFrequencyBar.svg
index 2d9a0664c4..fb37fc381f 100644
--- a/test/output/letterFrequencyBar.svg
+++ b/test/output/letterFrequencyBar.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" aria-label="letter-frequency chart" aria-description="A horizontal bar chart showing the relative frequency of letters in the English language." xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" aria-label="letter-frequency chart" aria-description="A horizontal bar chart showing the relative frequency of letters in the English language.">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/letterFrequencyCloud.svg b/test/output/letterFrequencyCloud.svg
index a170414d92..d3dde2ad5e 100644
--- a/test/output/letterFrequencyCloud.svg
+++ b/test/output/letterFrequencyCloud.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/letterFrequencyColumn.svg b/test/output/letterFrequencyColumn.svg
index fabcef0e4d..fbe150fc18 100644
--- a/test/output/letterFrequencyColumn.svg
+++ b/test/output/letterFrequencyColumn.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/letterFrequencyDot.svg b/test/output/letterFrequencyDot.svg
index 3c17b9a78f..3413c59f2b 100644
--- a/test/output/letterFrequencyDot.svg
+++ b/test/output/letterFrequencyDot.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/letterFrequencyLollipop.svg b/test/output/letterFrequencyLollipop.svg
index cfae7faaa3..fbd0597bdc 100644
--- a/test/output/letterFrequencyLollipop.svg
+++ b/test/output/letterFrequencyLollipop.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/letterFrequencyWheel.svg b/test/output/letterFrequencyWheel.svg
index 8f3602ccbf..5216b1fe5a 100644
--- a/test/output/letterFrequencyWheel.svg
+++ b/test/output/letterFrequencyWheel.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="500" height="250" viewBox="0 0 500 250" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="500" height="250" viewBox="0 0 500 250">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/liborProjections.svg b/test/output/liborProjections.svg
index 046d816cfe..62f3daaff2 100644
--- a/test/output/liborProjections.svg
+++ b/test/output/liborProjections.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="392.4521874459623" viewBox="0 0 960 392.4521874459623" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="392.4521874459623" viewBox="0 0 960 392.4521874459623">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/liborProjectionsFacet.html b/test/output/liborProjectionsFacet.html
index 7ffc3d7701..f26af79cf9 100644
--- a/test/output/liborProjectionsFacet.html
+++ b/test/output/liborProjectionsFacet.html
@@ -33,7 +33,7 @@
       </svg>H3</span><span class="plot-swatch"><svg width="15" height="15" fill="#6cc5b0" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>H4</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1040" viewBox="0 0 640 1040" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1040" viewBox="0 0 640 1040">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/likertSurvey.html b/test/output/likertSurvey.html
index 09b74fa0ad..25a7cc4fd6 100644
--- a/test/output/likertSurvey.html
+++ b/test/output/likertSurvey.html
@@ -35,7 +35,7 @@
       </svg>Agree</span><span class="plot-swatch"><svg width="15" height="15" fill="#0571b0" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>Strongly Agree</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/linearRegressionCars.svg b/test/output/linearRegressionCars.svg
index 1ef45b0e5f..9c793f67ac 100644
--- a/test/output/linearRegressionCars.svg
+++ b/test/output/linearRegressionCars.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/linearRegressionMtcars.svg b/test/output/linearRegressionMtcars.svg
index bf4a8ca8c6..4f9b279fa0 100644
--- a/test/output/linearRegressionMtcars.svg
+++ b/test/output/linearRegressionMtcars.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/linearRegressionPenguins.svg b/test/output/linearRegressionPenguins.svg
index 611970cb23..031de1d759 100644
--- a/test/output/linearRegressionPenguins.svg
+++ b/test/output/linearRegressionPenguins.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/logDegenerate.svg b/test/output/logDegenerate.svg
index d8f4408d42..70a9aaae1a 100644
--- a/test/output/logDegenerate.svg
+++ b/test/output/logDegenerate.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/logTickFormatFunction.svg b/test/output/logTickFormatFunction.svg
index f8e3c26905..ad2cb0f206 100644
--- a/test/output/logTickFormatFunction.svg
+++ b/test/output/logTickFormatFunction.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/logTickFormatFunctionSv.svg b/test/output/logTickFormatFunctionSv.svg
index 628d7f37d2..2d1a1c138a 100644
--- a/test/output/logTickFormatFunctionSv.svg
+++ b/test/output/logTickFormatFunctionSv.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/longLabels.svg b/test/output/longLabels.svg
index d127a106f4..3eeef9a2c2 100644
--- a/test/output/longLabels.svg
+++ b/test/output/longLabels.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/mandelbrot.svg b/test/output/mandelbrot.svg
index 59f2268cfe..72618c00dc 100644
--- a/test/output/mandelbrot.svg
+++ b/test/output/mandelbrot.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="500" viewBox="0 0 640 500" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="500" viewBox="0 0 640 500">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/markerRuleX.svg b/test/output/markerRuleX.svg
index 1561292438..296e14152d 100644
--- a/test/output/markerRuleX.svg
+++ b/test/output/markerRuleX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/markerRuleY.svg b/test/output/markerRuleY.svg
index 34c83f928f..b3d5bd5c7c 100644
--- a/test/output/markerRuleY.svg
+++ b/test/output/markerRuleY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/markerTickX.svg b/test/output/markerTickX.svg
index 65455d5ebd..16afbcb127 100644
--- a/test/output/markerTickX.svg
+++ b/test/output/markerTickX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/markerTickY.svg b/test/output/markerTickY.svg
index 18860ad861..10d1bb6e77 100644
--- a/test/output/markerTickY.svg
+++ b/test/output/markerTickY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/markovChain.svg b/test/output/markovChain.svg
index 71adab13ad..c9c63fa72f 100644
--- a/test/output/markovChain.svg
+++ b/test/output/markovChain.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="400" height="407.26108765585843" viewBox="0 0 400 407.26108765585843" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="400" height="407.26108765585843" viewBox="0 0 400 407.26108765585843">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/metroInequality.svg b/test/output/metroInequality.svg
index a40a1b45fb..8ca73e965c 100644
--- a/test/output/metroInequality.svg
+++ b/test/output/metroInequality.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/metroInequalityChange.svg b/test/output/metroInequalityChange.svg
index e8d89b947f..a95219ce89 100644
--- a/test/output/metroInequalityChange.svg
+++ b/test/output/metroInequalityChange.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/metroUnemployment.svg b/test/output/metroUnemployment.svg
index 113363d9ef..f81b25ea67 100644
--- a/test/output/metroUnemployment.svg
+++ b/test/output/metroUnemployment.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/metroUnemploymentHighlight.svg b/test/output/metroUnemploymentHighlight.svg
index ab89f38fb5..38a536186e 100644
--- a/test/output/metroUnemploymentHighlight.svg
+++ b/test/output/metroUnemploymentHighlight.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/metroUnemploymentIndex.svg b/test/output/metroUnemploymentIndex.svg
index c4ddafb0ae..751e44aac4 100644
--- a/test/output/metroUnemploymentIndex.svg
+++ b/test/output/metroUnemploymentIndex.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/metroUnemploymentMoving.svg b/test/output/metroUnemploymentMoving.svg
index bb013dca34..a99c11d4e7 100644
--- a/test/output/metroUnemploymentMoving.svg
+++ b/test/output/metroUnemploymentMoving.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/metroUnemploymentNormalize.svg b/test/output/metroUnemploymentNormalize.svg
index 82c1b685b8..1ee7dec4e9 100644
--- a/test/output/metroUnemploymentNormalize.svg
+++ b/test/output/metroUnemploymentNormalize.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/metroUnemploymentRidgeline.svg b/test/output/metroUnemploymentRidgeline.svg
index c9d0f93e0d..3d6d92bd9e 100644
--- a/test/output/metroUnemploymentRidgeline.svg
+++ b/test/output/metroUnemploymentRidgeline.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="1080" viewBox="0 0 960 1080" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="1080" viewBox="0 0 960 1080">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/metroUnemploymentSlope.svg b/test/output/metroUnemploymentSlope.svg
index 8076e1e71c..fd984ad539 100644
--- a/test/output/metroUnemploymentSlope.svg
+++ b/test/output/metroUnemploymentSlope.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/metroUnemploymentStroke.svg b/test/output/metroUnemploymentStroke.svg
index 5af5f03d69..2f7a7af036 100644
--- a/test/output/metroUnemploymentStroke.svg
+++ b/test/output/metroUnemploymentStroke.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/mixedFacets.svg b/test/output/mixedFacets.svg
index 78d9af4406..75cdefd0e0 100644
--- a/test/output/mixedFacets.svg
+++ b/test/output/mixedFacets.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/mobyDick.svg b/test/output/mobyDick.svg
index 525997b748..156c5a9919 100644
--- a/test/output/mobyDick.svg
+++ b/test/output/mobyDick.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1200" viewBox="0 0 640 1200" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1200" viewBox="0 0 640 1200">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/mobyDickFaceted.svg b/test/output/mobyDickFaceted.svg
index 919355a9b0..7fcb3e5c4d 100644
--- a/test/output/mobyDickFaceted.svg
+++ b/test/output/mobyDickFaceted.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/mobyDickLetterFrequency.svg b/test/output/mobyDickLetterFrequency.svg
index e5e4f860bb..ff1ffe1ba6 100644
--- a/test/output/mobyDickLetterFrequency.svg
+++ b/test/output/mobyDickLetterFrequency.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/mobyDickLetterFrequencyFillX.svg b/test/output/mobyDickLetterFrequencyFillX.svg
index 15c26b3111..a1efac2067 100644
--- a/test/output/mobyDickLetterFrequencyFillX.svg
+++ b/test/output/mobyDickLetterFrequencyFillX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/mobyDickLetterPairs.svg b/test/output/mobyDickLetterPairs.svg
index 0b593f913a..8c843f516f 100644
--- a/test/output/mobyDickLetterPairs.svg
+++ b/test/output/mobyDickLetterPairs.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/mobyDickLetterPosition.svg b/test/output/mobyDickLetterPosition.svg
index f8b22018ad..06d48c26db 100644
--- a/test/output/mobyDickLetterPosition.svg
+++ b/test/output/mobyDickLetterPosition.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/mobyDickLetterRelativeFrequency.svg b/test/output/mobyDickLetterRelativeFrequency.svg
index d2d29d1566..2b19c503a6 100644
--- a/test/output/mobyDickLetterRelativeFrequency.svg
+++ b/test/output/mobyDickLetterRelativeFrequency.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/morleyBoxplot.svg b/test/output/morleyBoxplot.svg
index 7c99c972aa..fd2c969f0d 100644
--- a/test/output/morleyBoxplot.svg
+++ b/test/output/morleyBoxplot.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/moviesProfitByGenre.svg b/test/output/moviesProfitByGenre.svg
index 995ca559c3..602b6e507e 100644
--- a/test/output/moviesProfitByGenre.svg
+++ b/test/output/moviesProfitByGenre.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="320" viewBox="0 0 640 320" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="320" viewBox="0 0 640 320">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/moviesRatingByGenre.svg b/test/output/moviesRatingByGenre.svg
index 210ec1a13c..ffddbf95e6 100644
--- a/test/output/moviesRatingByGenre.svg
+++ b/test/output/moviesRatingByGenre.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="560" viewBox="0 0 960 560" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="560" viewBox="0 0 960 560">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/multiplicationTable.svg b/test/output/multiplicationTable.svg
index 2efa376953..f3c6115b85 100644
--- a/test/output/multiplicationTable.svg
+++ b/test/output/multiplicationTable.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="450" height="450" viewBox="0 0 450 450" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="450" height="450" viewBox="0 0 450 450">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/musicRevenue.svg b/test/output/musicRevenue.svg
index 854e23b606..6b0f97c097 100644
--- a/test/output/musicRevenue.svg
+++ b/test/output/musicRevenue.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/musicRevenueCustomOrder.svg b/test/output/musicRevenueCustomOrder.svg
index 0729686f1d..442ba45cd2 100644
--- a/test/output/musicRevenueCustomOrder.svg
+++ b/test/output/musicRevenueCustomOrder.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/npmVersions.svg b/test/output/npmVersions.svg
index 18e8f4bd81..629c85a746 100644
--- a/test/output/npmVersions.svg
+++ b/test/output/npmVersions.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="140" viewBox="0 0 640 140" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="140" viewBox="0 0 640 140">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/opacityDotsFillUnscaled.svg b/test/output/opacityDotsFillUnscaled.svg
index 2ca11a44a4..9dea8782bd 100644
--- a/test/output/opacityDotsFillUnscaled.svg
+++ b/test/output/opacityDotsFillUnscaled.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/opacityDotsStrokeUnscaled.svg b/test/output/opacityDotsStrokeUnscaled.svg
index 3e519d4a8e..f5d99aeb22 100644
--- a/test/output/opacityDotsStrokeUnscaled.svg
+++ b/test/output/opacityDotsStrokeUnscaled.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/opacityDotsUnscaled.svg b/test/output/opacityDotsUnscaled.svg
index c485df6fc8..f8e660a54c 100644
--- a/test/output/opacityDotsUnscaled.svg
+++ b/test/output/opacityDotsUnscaled.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/ordinalBar.svg b/test/output/ordinalBar.svg
index 84397c8063..b2ddf41676 100644
--- a/test/output/ordinalBar.svg
+++ b/test/output/ordinalBar.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/pairsArea.svg b/test/output/pairsArea.svg
index e50d89e6c4..5ea1799f31 100644
--- a/test/output/pairsArea.svg
+++ b/test/output/pairsArea.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="140" viewBox="0 0 640 140" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="140" viewBox="0 0 640 140">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinAnnotated.svg b/test/output/penguinAnnotated.svg
index 181538a8c0..0ee3f208ce 100644
--- a/test/output/penguinAnnotated.svg
+++ b/test/output/penguinAnnotated.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinCulmen.svg b/test/output/penguinCulmen.svg
index 54fe89aba6..5b160be37d 100644
--- a/test/output/penguinCulmen.svg
+++ b/test/output/penguinCulmen.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinCulmenArray.svg b/test/output/penguinCulmenArray.svg
index 3d49af630a..58e9e04a7f 100644
--- a/test/output/penguinCulmenArray.svg
+++ b/test/output/penguinCulmenArray.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinCulmenDelaunay.svg b/test/output/penguinCulmenDelaunay.svg
index 9705b076c3..4841c70849 100644
--- a/test/output/penguinCulmenDelaunay.svg
+++ b/test/output/penguinCulmenDelaunay.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinCulmenDelaunayMesh.svg b/test/output/penguinCulmenDelaunayMesh.svg
index 310e149a71..be52695fe0 100644
--- a/test/output/penguinCulmenDelaunayMesh.svg
+++ b/test/output/penguinCulmenDelaunayMesh.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinCulmenDelaunaySpecies.svg b/test/output/penguinCulmenDelaunaySpecies.svg
index 15b1ed993b..e1b3b5b3df 100644
--- a/test/output/penguinCulmenDelaunaySpecies.svg
+++ b/test/output/penguinCulmenDelaunaySpecies.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinCulmenMarkFacet.svg b/test/output/penguinCulmenMarkFacet.svg
index a22eafce05..e6a95fa99e 100644
--- a/test/output/penguinCulmenMarkFacet.svg
+++ b/test/output/penguinCulmenMarkFacet.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinCulmenVoronoi.svg b/test/output/penguinCulmenVoronoi.svg
index 633d3c10dd..6b061bff77 100644
--- a/test/output/penguinCulmenVoronoi.svg
+++ b/test/output/penguinCulmenVoronoi.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinCulmenVoronoiExclude.svg b/test/output/penguinCulmenVoronoiExclude.svg
index 5db2c7a863..62b8bec897 100644
--- a/test/output/penguinCulmenVoronoiExclude.svg
+++ b/test/output/penguinCulmenVoronoiExclude.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinCulmenVoronoiExcludeHex.svg b/test/output/penguinCulmenVoronoiExcludeHex.svg
index c58a662cb4..18edeab10a 100644
--- a/test/output/penguinCulmenVoronoiExcludeHex.svg
+++ b/test/output/penguinCulmenVoronoiExcludeHex.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinDensity.svg b/test/output/penguinDensity.svg
index 93b042f042..893723584f 100644
--- a/test/output/penguinDensity.svg
+++ b/test/output/penguinDensity.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinDensityFill.html b/test/output/penguinDensityFill.html
index 95b5d98908..07b45ec3c2 100644
--- a/test/output/penguinDensityFill.html
+++ b/test/output/penguinDensityFill.html
@@ -32,7 +32,7 @@
       </g>
     </g>
     <text x="0" y="12" fill="currentColor" font-weight="bold">Density</text>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="360" viewBox="0 0 960 360" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="360" viewBox="0 0 960 360">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/penguinDensityZ.html b/test/output/penguinDensityZ.html
index 14edf652dc..5731b7544c 100644
--- a/test/output/penguinDensityZ.html
+++ b/test/output/penguinDensityZ.html
@@ -31,7 +31,7 @@
       </svg>Chinstrap</span><span class="plot-swatch"><svg width="15" height="15" fill="#ff725c" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>Gentoo</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="360" viewBox="0 0 960 360" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="360" viewBox="0 0 960 360">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/penguinDodge.svg b/test/output/penguinDodge.svg
index 0803c3f071..5cef7a558a 100644
--- a/test/output/penguinDodge.svg
+++ b/test/output/penguinDodge.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinDodgeHexbin.svg b/test/output/penguinDodgeHexbin.svg
index 4d5425d3fa..fdd2e7677a 100644
--- a/test/output/penguinDodgeHexbin.svg
+++ b/test/output/penguinDodgeHexbin.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinDodgeVoronoi.svg b/test/output/penguinDodgeVoronoi.svg
index f533612c30..faa378e801 100644
--- a/test/output/penguinDodgeVoronoi.svg
+++ b/test/output/penguinDodgeVoronoi.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinFacetAnnotated.svg b/test/output/penguinFacetAnnotated.svg
index deb5d05405..4c5d81f959 100644
--- a/test/output/penguinFacetAnnotated.svg
+++ b/test/output/penguinFacetAnnotated.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="240" viewBox="0 0 640 240" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="240" viewBox="0 0 640 240">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinFacetAnnotatedX.svg b/test/output/penguinFacetAnnotatedX.svg
index 190463b874..8687e6d8ea 100644
--- a/test/output/penguinFacetAnnotatedX.svg
+++ b/test/output/penguinFacetAnnotatedX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="150" viewBox="0 0 640 150" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="150" viewBox="0 0 640 150">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinFacetDodge.svg b/test/output/penguinFacetDodge.svg
index 0ea676a1c9..f4d7af63b9 100644
--- a/test/output/penguinFacetDodge.svg
+++ b/test/output/penguinFacetDodge.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinFacetDodgeIdentity.svg b/test/output/penguinFacetDodgeIdentity.svg
index 9fb98c52a1..fa63945d4e 100644
--- a/test/output/penguinFacetDodgeIdentity.svg
+++ b/test/output/penguinFacetDodgeIdentity.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinFacetDodgeIsland.html b/test/output/penguinFacetDodgeIsland.html
index cd357995f1..0b53360220 100644
--- a/test/output/penguinFacetDodgeIsland.html
+++ b/test/output/penguinFacetDodgeIsland.html
@@ -31,7 +31,7 @@
       </svg>Dream</span><span class="plot-swatch"><svg width="15" height="15" fill="#ff725c" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>Torgersen</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/penguinFacetDodgeSymbol.html b/test/output/penguinFacetDodgeSymbol.html
index 073b0866ea..53c46c6abb 100644
--- a/test/output/penguinFacetDodgeSymbol.html
+++ b/test/output/penguinFacetDodgeSymbol.html
@@ -31,7 +31,7 @@
       </svg>Chinstrap</span><span class="plot-swatch"><svg viewBox="-8 -8 16 16" width="15" height="15" fill="none" fill-opacity="1" stroke="#ff725c" stroke-opacity="1" stroke-width="1.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <path d="M-4.87,-4.87L4.87,4.87M-4.87,4.87L4.87,-4.87"></path>
       </svg>Gentoo</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/penguinHexbinColorExplicit.svg b/test/output/penguinHexbinColorExplicit.svg
index d95b631f4f..e63e3074e4 100644
--- a/test/output/penguinHexbinColorExplicit.svg
+++ b/test/output/penguinHexbinColorExplicit.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinIslandUnknown.svg b/test/output/penguinIslandUnknown.svg
index a01b2965a3..1abfc9e17e 100644
--- a/test/output/penguinIslandUnknown.svg
+++ b/test/output/penguinIslandUnknown.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinMass.svg b/test/output/penguinMass.svg
index e1c2210182..3ceff7b411 100644
--- a/test/output/penguinMass.svg
+++ b/test/output/penguinMass.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinMassSex.svg b/test/output/penguinMassSex.svg
index eaa92a9d62..edd8ffa503 100644
--- a/test/output/penguinMassSex.svg
+++ b/test/output/penguinMassSex.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="480" viewBox="0 0 640 480" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="480" viewBox="0 0 640 480">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinMassSexSpecies.svg b/test/output/penguinMassSexSpecies.svg
index 03097851ed..d1db0ec23b 100644
--- a/test/output/penguinMassSexSpecies.svg
+++ b/test/output/penguinMassSexSpecies.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="510" viewBox="0 0 640 510" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="510" viewBox="0 0 640 510">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinMassSpecies.svg b/test/output/penguinMassSpecies.svg
index 6f80e70a2c..1a98959964 100644
--- a/test/output/penguinMassSpecies.svg
+++ b/test/output/penguinMassSpecies.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinNA1.svg b/test/output/penguinNA1.svg
index a94ceb4dae..bb9bde9ac6 100644
--- a/test/output/penguinNA1.svg
+++ b/test/output/penguinNA1.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinNA2.svg b/test/output/penguinNA2.svg
index 36593ab274..5df1780dde 100644
--- a/test/output/penguinNA2.svg
+++ b/test/output/penguinNA2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinNA3.svg b/test/output/penguinNA3.svg
index edd0df6d09..1500f60b4c 100644
--- a/test/output/penguinNA3.svg
+++ b/test/output/penguinNA3.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinQuantileEmpty.svg b/test/output/penguinQuantileEmpty.svg
index 4a3652b55e..0c780da442 100644
--- a/test/output/penguinQuantileEmpty.svg
+++ b/test/output/penguinQuantileEmpty.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinQuantileUnknown.html b/test/output/penguinQuantileUnknown.html
index 78ff35a48a..5fdb6d29e5 100644
--- a/test/output/penguinQuantileUnknown.html
+++ b/test/output/penguinQuantileUnknown.html
@@ -38,7 +38,7 @@
       </g>
     </g>
     <text x="0" y="12" fill="currentColor" font-weight="bold">body_mass_g</text>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/penguinSex.svg b/test/output/penguinSex.svg
index 135dd4143a..f3f59d6f6a 100644
--- a/test/output/penguinSex.svg
+++ b/test/output/penguinSex.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinSexMassCulmenSpecies.svg b/test/output/penguinSexMassCulmenSpecies.svg
index a99bebeef1..229b6daf81 100644
--- a/test/output/penguinSexMassCulmenSpecies.svg
+++ b/test/output/penguinSexMassCulmenSpecies.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="320" viewBox="0 0 640 320" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="320" viewBox="0 0 640 320">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinSizeSymbols.html b/test/output/penguinSizeSymbols.html
index 071674b0fc..d561197cbd 100644
--- a/test/output/penguinSizeSymbols.html
+++ b/test/output/penguinSizeSymbols.html
@@ -31,7 +31,7 @@
       </svg>Chinstrap</span><span class="plot-swatch"><svg viewBox="-8 -8 16 16" width="15" height="15" fill="none" fill-opacity="1" stroke="#ff725c" stroke-opacity="1" stroke-width="1.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <path d="M-4.87,-4.87L4.87,4.87M-4.87,4.87L4.87,-4.87"></path>
       </svg>Gentoo</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/penguinSpeciesCheysson.html b/test/output/penguinSpeciesCheysson.html
index 21e1e9e762..36900987bb 100644
--- a/test/output/penguinSpeciesCheysson.html
+++ b/test/output/penguinSpeciesCheysson.html
@@ -31,7 +31,7 @@
       </svg>Chinstrap</span><span class="plot-swatch"><svg width="15" height="15" fill="url(#grouped-12512014-3)" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>Gentoo</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/penguinSpeciesGradient.svg b/test/output/penguinSpeciesGradient.svg
index 21ea4162f3..1c315d4d73 100644
--- a/test/output/penguinSpeciesGradient.svg
+++ b/test/output/penguinSpeciesGradient.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinSpeciesGroup.svg b/test/output/penguinSpeciesGroup.svg
index af23e149e9..0dadf9145c 100644
--- a/test/output/penguinSpeciesGroup.svg
+++ b/test/output/penguinSpeciesGroup.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinSpeciesImageFilter.svg b/test/output/penguinSpeciesImageFilter.svg
index 3fd007df30..ec25a533de 100644
--- a/test/output/penguinSpeciesImageFilter.svg
+++ b/test/output/penguinSpeciesImageFilter.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinSpeciesIsland.svg b/test/output/penguinSpeciesIsland.svg
index 9afac7cbed..ec7c3b187b 100644
--- a/test/output/penguinSpeciesIsland.svg
+++ b/test/output/penguinSpeciesIsland.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinSpeciesIslandRelative.svg b/test/output/penguinSpeciesIslandRelative.svg
index 8d96cb78b6..c0541b0776 100644
--- a/test/output/penguinSpeciesIslandRelative.svg
+++ b/test/output/penguinSpeciesIslandRelative.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinSpeciesIslandSex.svg b/test/output/penguinSpeciesIslandSex.svg
index 9bb2ea084e..e9649f35a9 100644
--- a/test/output/penguinSpeciesIslandSex.svg
+++ b/test/output/penguinSpeciesIslandSex.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/penguinVoronoi1D.svg b/test/output/penguinVoronoi1D.svg
index 564a4f0268..feb9ce9dae 100644
--- a/test/output/penguinVoronoi1D.svg
+++ b/test/output/penguinVoronoi1D.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/percentNull.svg b/test/output/percentNull.svg
index 3cd911e600..5b65893771 100644
--- a/test/output/percentNull.svg
+++ b/test/output/percentNull.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/pointerLinkedRectInterval.svg b/test/output/pointerLinkedRectInterval.svg
index 6f56f31a04..ef88c94711 100644
--- a/test/output/pointerLinkedRectInterval.svg
+++ b/test/output/pointerLinkedRectInterval.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/pointerNonFaceted.svg b/test/output/pointerNonFaceted.svg
index 1e6579962f..d0c3633ab2 100644
--- a/test/output/pointerNonFaceted.svg
+++ b/test/output/pointerNonFaceted.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/pointerRenderCompose.svg b/test/output/pointerRenderCompose.svg
index b807332bb3..b53c6afbd3 100644
--- a/test/output/pointerRenderCompose.svg
+++ b/test/output/pointerRenderCompose.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/pointerViewof.html b/test/output/pointerViewof.html
index d91b22d848..6ff306a29f 100644
--- a/test/output/pointerViewof.html
+++ b/test/output/pointerViewof.html
@@ -1,4 +1,4 @@
-<figure><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<figure><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/pointerViewofTitle.html b/test/output/pointerViewofTitle.html
index 066b5f8008..b7341d1f4e 100644
--- a/test/output/pointerViewofTitle.html
+++ b/test/output/pointerViewofTitle.html
@@ -1,6 +1,6 @@
 <figure>
   <figure class="plot-d6a7b5-figure" style="max-width: initial;">
-    <h2>Penguins</h2><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <h2>Penguins</h2><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
       <style>
         :where(.plot) {
           --plot-background: white;
diff --git a/test/output/polylinear.svg b/test/output/polylinear.svg
index 666e071d33..59faf71a03 100644
--- a/test/output/polylinear.svg
+++ b/test/output/polylinear.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/populationByLatitude.svg b/test/output/populationByLatitude.svg
index c266fb6566..693d1bf2ab 100644
--- a/test/output/populationByLatitude.svg
+++ b/test/output/populationByLatitude.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="321" viewBox="0 0 640 321" style="overflow: visible;" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="321" viewBox="0 0 640 321" style="overflow: visible;">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/populationByLongitude.svg b/test/output/populationByLongitude.svg
index ba0dfec88f..d39c802c1b 100644
--- a/test/output/populationByLongitude.svg
+++ b/test/output/populationByLongitude.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="321" viewBox="0 0 640 321" style="overflow: visible;" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="321" viewBox="0 0 640 321" style="overflow: visible;">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionBleedEdges.svg b/test/output/projectionBleedEdges.svg
index ca0dec51c4..43d8478a39 100644
--- a/test/output/projectionBleedEdges.svg
+++ b/test/output/projectionBleedEdges.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionBleedEdges2.svg b/test/output/projectionBleedEdges2.svg
index 8864826e72..df13ea6a79 100644
--- a/test/output/projectionBleedEdges2.svg
+++ b/test/output/projectionBleedEdges2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionClipAngle.svg b/test/output/projectionClipAngle.svg
index 86b5ed27bb..982fa596b9 100644
--- a/test/output/projectionClipAngle.svg
+++ b/test/output/projectionClipAngle.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionClipAngleFrame.svg b/test/output/projectionClipAngleFrame.svg
index 6b5afc2e89..c08623496a 100644
--- a/test/output/projectionClipAngleFrame.svg
+++ b/test/output/projectionClipAngleFrame.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionClipBerghaus.svg b/test/output/projectionClipBerghaus.svg
index 426da50ca4..3f452c01d0 100644
--- a/test/output/projectionClipBerghaus.svg
+++ b/test/output/projectionClipBerghaus.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionDomainRatioME.svg b/test/output/projectionDomainRatioME.svg
index e4b3660a78..1d76c28053 100644
--- a/test/output/projectionDomainRatioME.svg
+++ b/test/output/projectionDomainRatioME.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="968" viewBox="0 0 640 968" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="968" viewBox="0 0 640 968">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionDomainRatioMN.svg b/test/output/projectionDomainRatioMN.svg
index fdc56c3bca..92096150db 100644
--- a/test/output/projectionDomainRatioMN.svg
+++ b/test/output/projectionDomainRatioMN.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="732" viewBox="0 0 640 732" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="732" viewBox="0 0 640 732">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionDomainRatioNC.svg b/test/output/projectionDomainRatioNC.svg
index 20956f1010..90b7ad4112 100644
--- a/test/output/projectionDomainRatioNC.svg
+++ b/test/output/projectionDomainRatioNC.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="245" viewBox="0 0 640 245" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="245" viewBox="0 0 640 245">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionDomainRatioNCManual.svg b/test/output/projectionDomainRatioNCManual.svg
index 9dd03d1128..eee2b22fbc 100644
--- a/test/output/projectionDomainRatioNCManual.svg
+++ b/test/output/projectionDomainRatioNCManual.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="245" viewBox="0 0 640 245" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="245" viewBox="0 0 640 245">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionFitAntarctica.svg b/test/output/projectionFitAntarctica.svg
index e2a7acd770..a6480143b8 100644
--- a/test/output/projectionFitAntarctica.svg
+++ b/test/output/projectionFitAntarctica.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600" style="overflow: visible;" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="600" height="600" viewBox="0 0 600 600" style="overflow: visible;">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionFitBertin1953.svg b/test/output/projectionFitBertin1953.svg
index ab113fe6d2..85763618a6 100644
--- a/test/output/projectionFitBertin1953.svg
+++ b/test/output/projectionFitBertin1953.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="302" viewBox="0 0 960 302" style="border: 1px solid blue;" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="302" viewBox="0 0 960 302" style="border: 1px solid blue;">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionFitConic.svg b/test/output/projectionFitConic.svg
index 0ed550f917..0a46c8cc33 100644
--- a/test/output/projectionFitConic.svg
+++ b/test/output/projectionFitConic.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionFitIdentity.svg b/test/output/projectionFitIdentity.svg
index c70f31dfbf..3d26cd8fef 100644
--- a/test/output/projectionFitIdentity.svg
+++ b/test/output/projectionFitIdentity.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionFitUsAlbers.svg b/test/output/projectionFitUsAlbers.svg
index d5bed70e00..ad80ae59fb 100644
--- a/test/output/projectionFitUsAlbers.svg
+++ b/test/output/projectionFitUsAlbers.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionHeightAlbers.svg b/test/output/projectionHeightAlbers.svg
index b209629533..8bdbbc9c62 100644
--- a/test/output/projectionHeightAlbers.svg
+++ b/test/output/projectionHeightAlbers.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionHeightDegenerate.svg b/test/output/projectionHeightDegenerate.svg
index 2e333cf1fc..a768241b41 100644
--- a/test/output/projectionHeightDegenerate.svg
+++ b/test/output/projectionHeightDegenerate.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" style="border: 1px solid #777;" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" style="border: 1px solid #777;">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionHeightEqualEarth.svg b/test/output/projectionHeightEqualEarth.svg
index fafcb6ae23..48762fc29a 100644
--- a/test/output/projectionHeightEqualEarth.svg
+++ b/test/output/projectionHeightEqualEarth.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="169" viewBox="0 0 640 169" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="169" viewBox="0 0 640 169">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionHeightGeometry.svg b/test/output/projectionHeightGeometry.svg
index a5fa4c1819..1667345088 100644
--- a/test/output/projectionHeightGeometry.svg
+++ b/test/output/projectionHeightGeometry.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="817" viewBox="0 0 640 817" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="817" viewBox="0 0 640 817">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionHeightGeometryDomain.svg b/test/output/projectionHeightGeometryDomain.svg
index f479157ce2..7ae713fe63 100644
--- a/test/output/projectionHeightGeometryDomain.svg
+++ b/test/output/projectionHeightGeometryDomain.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionHeightGeometryNull.svg b/test/output/projectionHeightGeometryNull.svg
index a269e2f3eb..986672d946 100644
--- a/test/output/projectionHeightGeometryNull.svg
+++ b/test/output/projectionHeightGeometryNull.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="400" height="725.5555555555555" viewBox="0 0 400 725.5555555555555" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="400" height="725.5555555555555" viewBox="0 0 400 725.5555555555555">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionHeightMercator.svg b/test/output/projectionHeightMercator.svg
index e8a8303ca3..eb74a3192a 100644
--- a/test/output/projectionHeightMercator.svg
+++ b/test/output/projectionHeightMercator.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1298" viewBox="0 0 640 1298" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="1298" viewBox="0 0 640 1298">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionHeightOrthographic.svg b/test/output/projectionHeightOrthographic.svg
index db49041cc9..1d7df3789b 100644
--- a/test/output/projectionHeightOrthographic.svg
+++ b/test/output/projectionHeightOrthographic.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="630" viewBox="0 0 640 630" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="630" viewBox="0 0 640 630">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/projectionNull.svg b/test/output/projectionNull.svg
index 7656e1782f..348ff1306d 100644
--- a/test/output/projectionNull.svg
+++ b/test/output/projectionNull.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/randomBins.svg b/test/output/randomBins.svg
index e2f9c6cb57..ba7019f53d 100644
--- a/test/output/randomBins.svg
+++ b/test/output/randomBins.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/randomBinsXY.svg b/test/output/randomBinsXY.svg
index 6ddc945c0b..a9f36dc838 100644
--- a/test/output/randomBinsXY.svg
+++ b/test/output/randomBinsXY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/randomQuantile.svg b/test/output/randomQuantile.svg
index f3d96199ab..bd5e2919b5 100644
--- a/test/output/randomQuantile.svg
+++ b/test/output/randomQuantile.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/randomWalk.svg b/test/output/randomWalk.svg
index e4a67cf05b..5df4b46080 100644
--- a/test/output/randomWalk.svg
+++ b/test/output/randomWalk.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/randomWalkCustomMap1.svg b/test/output/randomWalkCustomMap1.svg
index e4a67cf05b..5df4b46080 100644
--- a/test/output/randomWalkCustomMap1.svg
+++ b/test/output/randomWalkCustomMap1.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/randomWalkCustomMap2.svg b/test/output/randomWalkCustomMap2.svg
index e4a67cf05b..5df4b46080 100644
--- a/test/output/randomWalkCustomMap2.svg
+++ b/test/output/randomWalkCustomMap2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/randomWalkCustomMap3.svg b/test/output/randomWalkCustomMap3.svg
index e4a67cf05b..5df4b46080 100644
--- a/test/output/randomWalkCustomMap3.svg
+++ b/test/output/randomWalkCustomMap3.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterCa55Barycentric.svg b/test/output/rasterCa55Barycentric.svg
index 7f226520fa..4e233026dd 100644
--- a/test/output/rasterCa55Barycentric.svg
+++ b/test/output/rasterCa55Barycentric.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterCa55Color.svg b/test/output/rasterCa55Color.svg
index 91c545d709..a67617a93f 100644
--- a/test/output/rasterCa55Color.svg
+++ b/test/output/rasterCa55Color.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterCa55Nearest.svg b/test/output/rasterCa55Nearest.svg
index bdba0c9c99..a761eafd89 100644
--- a/test/output/rasterCa55Nearest.svg
+++ b/test/output/rasterCa55Nearest.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterCa55None.svg b/test/output/rasterCa55None.svg
index f9b766cd65..c16df03231 100644
--- a/test/output/rasterCa55None.svg
+++ b/test/output/rasterCa55None.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterCa55RandomWalk.svg b/test/output/rasterCa55RandomWalk.svg
index 6db26ee85e..a470ba7d39 100644
--- a/test/output/rasterCa55RandomWalk.svg
+++ b/test/output/rasterCa55RandomWalk.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterFacet.svg b/test/output/rasterFacet.svg
index 58d7faa59a..60814ed05c 100644
--- a/test/output/rasterFacet.svg
+++ b/test/output/rasterFacet.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="334.7368421052631" viewBox="0 0 640 334.7368421052631" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="334.7368421052631" viewBox="0 0 640 334.7368421052631">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterPenguinsBarycentric.svg b/test/output/rasterPenguinsBarycentric.svg
index ce7d198caf..d378863ffd 100644
--- a/test/output/rasterPenguinsBarycentric.svg
+++ b/test/output/rasterPenguinsBarycentric.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterPenguinsBarycentricBlur.svg b/test/output/rasterPenguinsBarycentricBlur.svg
index f420a79fac..d5964edd9b 100644
--- a/test/output/rasterPenguinsBarycentricBlur.svg
+++ b/test/output/rasterPenguinsBarycentricBlur.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterPenguinsBlur.svg b/test/output/rasterPenguinsBlur.svg
index 3518439c23..0b963fb88e 100644
--- a/test/output/rasterPenguinsBlur.svg
+++ b/test/output/rasterPenguinsBlur.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterPenguinsRandomWalk.svg b/test/output/rasterPenguinsRandomWalk.svg
index 3e2d33b141..c4fb6032fd 100644
--- a/test/output/rasterPenguinsRandomWalk.svg
+++ b/test/output/rasterPenguinsRandomWalk.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterPrecision.svg b/test/output/rasterPrecision.svg
index ef35e5a3ea..c63ce4865e 100644
--- a/test/output/rasterPrecision.svg
+++ b/test/output/rasterPrecision.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterVapor.svg b/test/output/rasterVapor.svg
index 5181d155d9..d955da2688 100644
--- a/test/output/rasterVapor.svg
+++ b/test/output/rasterVapor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterVapor2.html b/test/output/rasterVapor2.html
index fde884e1c9..5d83712ba1 100644
--- a/test/output/rasterVapor2.html
+++ b/test/output/rasterVapor2.html
@@ -31,7 +31,7 @@
         <text fill="currentColor" y="9" dy="0.71em">6</text>
       </g>
     </g>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/rasterVaporEqualEarth.svg b/test/output/rasterVaporEqualEarth.svg
index fad8839548..51cc02d053 100644
--- a/test/output/rasterVaporEqualEarth.svg
+++ b/test/output/rasterVaporEqualEarth.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="312" viewBox="0 0 640 312" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="312" viewBox="0 0 640 312">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterVaporEqualEarthBarycentric.svg b/test/output/rasterVaporEqualEarthBarycentric.svg
index a5ba2acced..8a2103712b 100644
--- a/test/output/rasterVaporEqualEarthBarycentric.svg
+++ b/test/output/rasterVaporEqualEarthBarycentric.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="312" viewBox="0 0 640 312" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="312" viewBox="0 0 640 312">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterVaporPeters.svg b/test/output/rasterVaporPeters.svg
index 358b8bf251..4b42569e12 100644
--- a/test/output/rasterVaporPeters.svg
+++ b/test/output/rasterVaporPeters.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="815" height="520" viewBox="0 0 815 520" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="815" height="520" viewBox="0 0 815 520">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterWalmartBarycentric.svg b/test/output/rasterWalmartBarycentric.svg
index 518ce041f5..7f13794fd8 100644
--- a/test/output/rasterWalmartBarycentric.svg
+++ b/test/output/rasterWalmartBarycentric.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterWalmartBarycentricOpacity.svg b/test/output/rasterWalmartBarycentricOpacity.svg
index c922759c9e..2002e2757a 100644
--- a/test/output/rasterWalmartBarycentricOpacity.svg
+++ b/test/output/rasterWalmartBarycentricOpacity.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterWalmartRandomWalk.svg b/test/output/rasterWalmartRandomWalk.svg
index 6587b20d54..7cdbf2c4f2 100644
--- a/test/output/rasterWalmartRandomWalk.svg
+++ b/test/output/rasterWalmartRandomWalk.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rasterWalmartWalkOpacity.svg b/test/output/rasterWalmartWalkOpacity.svg
index 074c9df0dc..48367b1cc1 100644
--- a/test/output/rasterWalmartWalkOpacity.svg
+++ b/test/output/rasterWalmartWalkOpacity.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rectBand.svg b/test/output/rectBand.svg
index b553661ee2..861e6eb5e0 100644
--- a/test/output/rectBand.svg
+++ b/test/output/rectBand.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="120" viewBox="0 0 640 120">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rectBandX.svg b/test/output/rectBandX.svg
index 1f8e82375c..6d67ac7085 100644
--- a/test/output/rectBandX.svg
+++ b/test/output/rectBandX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rectBandX1.svg b/test/output/rectBandX1.svg
index 9bd6036fca..2b5220e3d4 100644
--- a/test/output/rectBandX1.svg
+++ b/test/output/rectBandX1.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rectBandY.svg b/test/output/rectBandY.svg
index f6349c2316..6758d39cd1 100644
--- a/test/output/rectBandY.svg
+++ b/test/output/rectBandY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/rectPointX1.svg b/test/output/rectPointX1.svg
index cc4f2052f8..b74b9dfafc 100644
--- a/test/output/rectPointX1.svg
+++ b/test/output/rectPointX1.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/reducerScaleOverrideFunction.svg b/test/output/reducerScaleOverrideFunction.svg
index d0ab35fee1..aeb2e22bc2 100644
--- a/test/output/reducerScaleOverrideFunction.svg
+++ b/test/output/reducerScaleOverrideFunction.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="480" viewBox="0 0 640 480" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="480" viewBox="0 0 640 480">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/reducerScaleOverrideImplementation.svg b/test/output/reducerScaleOverrideImplementation.svg
index d0ab35fee1..aeb2e22bc2 100644
--- a/test/output/reducerScaleOverrideImplementation.svg
+++ b/test/output/reducerScaleOverrideImplementation.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="480" viewBox="0 0 640 480" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="480" viewBox="0 0 640 480">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/reducerScaleOverrideName.svg b/test/output/reducerScaleOverrideName.svg
index d0ab35fee1..aeb2e22bc2 100644
--- a/test/output/reducerScaleOverrideName.svg
+++ b/test/output/reducerScaleOverrideName.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="480" viewBox="0 0 640 480" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="480" viewBox="0 0 640 480">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedBarYR.svg b/test/output/roundedBarYR.svg
index 1bc8edbd3b..4980850812 100644
--- a/test/output/roundedBarYR.svg
+++ b/test/output/roundedBarYR.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedBarYRx.svg b/test/output/roundedBarYRx.svg
index 494b7a90a5..7a7b1760dd 100644
--- a/test/output/roundedBarYRx.svg
+++ b/test/output/roundedBarYRx.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedBarYRy.svg b/test/output/roundedBarYRy.svg
index 83b67acfd1..eb6331b940 100644
--- a/test/output/roundedBarYRy.svg
+++ b/test/output/roundedBarYRy.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedRectAsymmetricX.svg b/test/output/roundedRectAsymmetricX.svg
index a1d5c3aeb1..42a8fbd711 100644
--- a/test/output/roundedRectAsymmetricX.svg
+++ b/test/output/roundedRectAsymmetricX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedRectAsymmetricY.svg b/test/output/roundedRectAsymmetricY.svg
index 2e13c85a60..ebbcd2c2e9 100644
--- a/test/output/roundedRectAsymmetricY.svg
+++ b/test/output/roundedRectAsymmetricY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedRectBand.svg b/test/output/roundedRectBand.svg
index aa076b27de..8e583b69bf 100644
--- a/test/output/roundedRectBand.svg
+++ b/test/output/roundedRectBand.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedRectCollapsedX.svg b/test/output/roundedRectCollapsedX.svg
index 52a8315c5c..9570511d3e 100644
--- a/test/output/roundedRectCollapsedX.svg
+++ b/test/output/roundedRectCollapsedX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedRectCollapsedY.svg b/test/output/roundedRectCollapsedY.svg
index f275bc8415..1f05b90176 100644
--- a/test/output/roundedRectCollapsedY.svg
+++ b/test/output/roundedRectCollapsedY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedRectCorners.svg b/test/output/roundedRectCorners.svg
index 3ad86a954b..c2e288b66f 100644
--- a/test/output/roundedRectCorners.svg
+++ b/test/output/roundedRectCorners.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedRectNegativeX.html b/test/output/roundedRectNegativeX.html
index c254ffa29c..c3eea96ea2 100644
--- a/test/output/roundedRectNegativeX.html
+++ b/test/output/roundedRectNegativeX.html
@@ -29,7 +29,7 @@
       </svg>female</span><span class="plot-swatch"><svg width="15" height="15" fill="#efb118" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>male</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/roundedRectNegativeY.html b/test/output/roundedRectNegativeY.html
index 26a42c24c7..6215707997 100644
--- a/test/output/roundedRectNegativeY.html
+++ b/test/output/roundedRectNegativeY.html
@@ -29,7 +29,7 @@
       </svg>female</span><span class="plot-swatch"><svg width="15" height="15" fill="#efb118" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>male</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/roundedRectNegativeY1.html b/test/output/roundedRectNegativeY1.html
index 5f78ede10c..f9c8c07770 100644
--- a/test/output/roundedRectNegativeY1.html
+++ b/test/output/roundedRectNegativeY1.html
@@ -29,7 +29,7 @@
       </svg>female</span><span class="plot-swatch"><svg width="15" height="15" fill="#efb118" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>male</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/roundedRectOpposing.svg b/test/output/roundedRectOpposing.svg
index 056554f39c..38108ddaed 100644
--- a/test/output/roundedRectOpposing.svg
+++ b/test/output/roundedRectOpposing.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedRectR.svg b/test/output/roundedRectR.svg
index 8b0c2c4a28..96153c4da5 100644
--- a/test/output/roundedRectR.svg
+++ b/test/output/roundedRectR.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedRectRx.svg b/test/output/roundedRectRx.svg
index d7c63747fd..6eb65afcc9 100644
--- a/test/output/roundedRectRx.svg
+++ b/test/output/roundedRectRx.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedRectRy.svg b/test/output/roundedRectRy.svg
index 13225cf88d..7a9741053d 100644
--- a/test/output/roundedRectRy.svg
+++ b/test/output/roundedRectRy.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/roundedRectSides.svg b/test/output/roundedRectSides.svg
index eac354c73b..1acebcb61b 100644
--- a/test/output/roundedRectSides.svg
+++ b/test/output/roundedRectSides.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/seattlePrecipitationDensity.svg b/test/output/seattlePrecipitationDensity.svg
index 8a4cb1fe2d..dba8f43d7b 100644
--- a/test/output/seattlePrecipitationDensity.svg
+++ b/test/output/seattlePrecipitationDensity.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/seattlePrecipitationRule.svg b/test/output/seattlePrecipitationRule.svg
index 6e2b6c3632..24f17df58e 100644
--- a/test/output/seattlePrecipitationRule.svg
+++ b/test/output/seattlePrecipitationRule.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/seattlePrecipitationSum.svg b/test/output/seattlePrecipitationSum.svg
index 2763aa5706..3133e71786 100644
--- a/test/output/seattlePrecipitationSum.svg
+++ b/test/output/seattlePrecipitationSum.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/seattleTemperatureAmplitude.html b/test/output/seattleTemperatureAmplitude.html
index ab1f90f337..254d337a09 100644
--- a/test/output/seattleTemperatureAmplitude.html
+++ b/test/output/seattleTemperatureAmplitude.html
@@ -39,7 +39,7 @@
         <text fill="currentColor" y="9" dy="0.71em">Nov</text>
       </g>
     </g>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="441.5" viewBox="0 0 640 441.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="441.5" viewBox="0 0 640 441.5">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/seattleTemperatureBand.svg b/test/output/seattleTemperatureBand.svg
index c3ac003db9..86e02f29af 100644
--- a/test/output/seattleTemperatureBand.svg
+++ b/test/output/seattleTemperatureBand.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/seattleTemperatureCell.svg b/test/output/seattleTemperatureCell.svg
index a0a0e5eda3..ff45a5ae39 100644
--- a/test/output/seattleTemperatureCell.svg
+++ b/test/output/seattleTemperatureCell.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/sfCovidDeaths.svg b/test/output/sfCovidDeaths.svg
index f786a18a6c..c8589d3d60 100644
--- a/test/output/sfCovidDeaths.svg
+++ b/test/output/sfCovidDeaths.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/sfTemperatureBand.svg b/test/output/sfTemperatureBand.svg
index 61e20f3c24..2841e011bf 100644
--- a/test/output/sfTemperatureBand.svg
+++ b/test/output/sfTemperatureBand.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="400" viewBox="0 0 960 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="400" viewBox="0 0 960 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/sfTemperatureBandArea.svg b/test/output/sfTemperatureBandArea.svg
index f93934b6f9..6c1b6ec086 100644
--- a/test/output/sfTemperatureBandArea.svg
+++ b/test/output/sfTemperatureBandArea.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="400" viewBox="0 0 960 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="400" viewBox="0 0 960 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/sfTemperatureWindow.svg b/test/output/sfTemperatureWindow.svg
index f2bcf5bbd0..2fd9bd5364 100644
--- a/test/output/sfTemperatureWindow.svg
+++ b/test/output/sfTemperatureWindow.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shiftX.svg b/test/output/shiftX.svg
index 380308bfcc..fc45ce16f0 100644
--- a/test/output/shiftX.svg
+++ b/test/output/shiftX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shiftY.svg b/test/output/shiftY.svg
index d339505e4d..cd6e2b9657 100644
--- a/test/output/shiftY.svg
+++ b/test/output/shiftY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandArea.svg b/test/output/shorthandArea.svg
index 2bc56849ce..22e4078c8f 100644
--- a/test/output/shorthandArea.svg
+++ b/test/output/shorthandArea.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandAreaY.svg b/test/output/shorthandAreaY.svg
index 41f4d2a496..479a91c967 100644
--- a/test/output/shorthandAreaY.svg
+++ b/test/output/shorthandAreaY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandAreaYNaN.svg b/test/output/shorthandAreaYNaN.svg
index 3605ae55cd..dd4a32c282 100644
--- a/test/output/shorthandAreaYNaN.svg
+++ b/test/output/shorthandAreaYNaN.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandAreaYNull.svg b/test/output/shorthandAreaYNull.svg
index 3605ae55cd..dd4a32c282 100644
--- a/test/output/shorthandAreaYNull.svg
+++ b/test/output/shorthandAreaYNull.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandBarY.svg b/test/output/shorthandBarY.svg
index e709266124..7f3b768696 100644
--- a/test/output/shorthandBarY.svg
+++ b/test/output/shorthandBarY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandBinRectY.svg b/test/output/shorthandBinRectY.svg
index 5b7e6a25ec..9eb4707543 100644
--- a/test/output/shorthandBinRectY.svg
+++ b/test/output/shorthandBinRectY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandBoxX.svg b/test/output/shorthandBoxX.svg
index b1369c9986..d71468897c 100644
--- a/test/output/shorthandBoxX.svg
+++ b/test/output/shorthandBoxX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandCell.svg b/test/output/shorthandCell.svg
index b178b30783..d9e52b8ab4 100644
--- a/test/output/shorthandCell.svg
+++ b/test/output/shorthandCell.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandCellCategorical.svg b/test/output/shorthandCellCategorical.svg
index 7ba5277ccf..7ca1e71983 100644
--- a/test/output/shorthandCellCategorical.svg
+++ b/test/output/shorthandCellCategorical.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandCellX.svg b/test/output/shorthandCellX.svg
index 70398b1a28..66094b1911 100644
--- a/test/output/shorthandCellX.svg
+++ b/test/output/shorthandCellX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandDot.svg b/test/output/shorthandDot.svg
index 666d67e030..724c7abb89 100644
--- a/test/output/shorthandDot.svg
+++ b/test/output/shorthandDot.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandDotX.svg b/test/output/shorthandDotX.svg
index fd03577d64..6605a532a9 100644
--- a/test/output/shorthandDotX.svg
+++ b/test/output/shorthandDotX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandGroupBarY.svg b/test/output/shorthandGroupBarY.svg
index 30064915e3..6b43838826 100644
--- a/test/output/shorthandGroupBarY.svg
+++ b/test/output/shorthandGroupBarY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandLine.svg b/test/output/shorthandLine.svg
index 8a9a874b51..1156d6477f 100644
--- a/test/output/shorthandLine.svg
+++ b/test/output/shorthandLine.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandLineY.svg b/test/output/shorthandLineY.svg
index 4bb934c3cf..f3f179c2b7 100644
--- a/test/output/shorthandLineY.svg
+++ b/test/output/shorthandLineY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandLineYWindow.svg b/test/output/shorthandLineYWindow.svg
index ef8a965c02..eee68a2378 100644
--- a/test/output/shorthandLineYWindow.svg
+++ b/test/output/shorthandLineYWindow.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandRectY.svg b/test/output/shorthandRectY.svg
index b658aad816..7252ad271d 100644
--- a/test/output/shorthandRectY.svg
+++ b/test/output/shorthandRectY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandRuleX.svg b/test/output/shorthandRuleX.svg
index 003d2cfb07..a47e64eff1 100644
--- a/test/output/shorthandRuleX.svg
+++ b/test/output/shorthandRuleX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandText.svg b/test/output/shorthandText.svg
index 6ae67ba949..a5ce38858a 100644
--- a/test/output/shorthandText.svg
+++ b/test/output/shorthandText.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandTextX.svg b/test/output/shorthandTextX.svg
index a48f533213..b8a8104367 100644
--- a/test/output/shorthandTextX.svg
+++ b/test/output/shorthandTextX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandTickX.svg b/test/output/shorthandTickX.svg
index c5f3552acc..fc4b5a7712 100644
--- a/test/output/shorthandTickX.svg
+++ b/test/output/shorthandTickX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandVector.svg b/test/output/shorthandVector.svg
index 1622a8e088..8d8f840315 100644
--- a/test/output/shorthandVector.svg
+++ b/test/output/shorthandVector.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/shorthandVectorX.svg b/test/output/shorthandVectorX.svg
index 8ac1148dc4..d082bd4f34 100644
--- a/test/output/shorthandVectorX.svg
+++ b/test/output/shorthandVectorX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/simpsonsRatings.svg b/test/output/simpsonsRatings.svg
index 081fcd6757..15e17f3133 100644
--- a/test/output/simpsonsRatings.svg
+++ b/test/output/simpsonsRatings.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/simpsonsRatingsDots.svg b/test/output/simpsonsRatingsDots.svg
index 74fb7022bd..f4e66640b9 100644
--- a/test/output/simpsonsRatingsDots.svg
+++ b/test/output/simpsonsRatingsDots.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/simpsonsViews.html b/test/output/simpsonsViews.html
index 2ec237f78a..09b2e7feb8 100644
--- a/test/output/simpsonsViews.html
+++ b/test/output/simpsonsViews.html
@@ -43,7 +43,7 @@
       </g>
     </g>
     <text x="0" y="12" fill="currentColor" font-weight="bold">season</text>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/singleValueBar.svg b/test/output/singleValueBar.svg
index 5144e01108..5374f63173 100644
--- a/test/output/singleValueBar.svg
+++ b/test/output/singleValueBar.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/singleValueBin.svg b/test/output/singleValueBin.svg
index c195f01232..1ff7a3edc4 100644
--- a/test/output/singleValueBin.svg
+++ b/test/output/singleValueBin.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/softwareVersions.svg b/test/output/softwareVersions.svg
index 8e29f43150..5d6c25cb3b 100644
--- a/test/output/softwareVersions.svg
+++ b/test/output/softwareVersions.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/sparseCell.svg b/test/output/sparseCell.svg
index 05f29bd09d..6ddddcfdf9 100644
--- a/test/output/sparseCell.svg
+++ b/test/output/sparseCell.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/sparseTitle.svg b/test/output/sparseTitle.svg
index 03fe4d2822..c773f42fda 100644
--- a/test/output/sparseTitle.svg
+++ b/test/output/sparseTitle.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/sparseTitleTip.svg b/test/output/sparseTitleTip.svg
index cc3a618ce9..977e803947 100644
--- a/test/output/sparseTitleTip.svg
+++ b/test/output/sparseTitleTip.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/stackedBar.svg b/test/output/stackedBar.svg
index 0776288855..3507c2f05c 100644
--- a/test/output/stackedBar.svg
+++ b/test/output/stackedBar.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/stackedRect.svg b/test/output/stackedRect.svg
index 13d3b12c05..9f0a9575a7 100644
--- a/test/output/stackedRect.svg
+++ b/test/output/stackedRect.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/stargazers.svg b/test/output/stargazers.svg
index 1ee3e6e124..58941e1241 100644
--- a/test/output/stargazers.svg
+++ b/test/output/stargazers.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/stargazersBinned.svg b/test/output/stargazersBinned.svg
index 177c8aa6de..3afd5566ca 100644
--- a/test/output/stargazersBinned.svg
+++ b/test/output/stargazersBinned.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/stargazersHourly.svg b/test/output/stargazersHourly.svg
index 77158de66f..eef1cdcac7 100644
--- a/test/output/stargazersHourly.svg
+++ b/test/output/stargazersHourly.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/stargazersHourlyGroup.svg b/test/output/stargazersHourlyGroup.svg
index be97f673c6..a3c566cb4a 100644
--- a/test/output/stargazersHourlyGroup.svg
+++ b/test/output/stargazersHourlyGroup.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/stocksIndex.svg b/test/output/stocksIndex.svg
index 365abbfab0..cfecfa4855 100644
--- a/test/output/stocksIndex.svg
+++ b/test/output/stocksIndex.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" style="overflow: visible;" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" style="overflow: visible;">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/symbolSetFill.svg b/test/output/symbolSetFill.svg
index 716e06d785..4d5b2a86b1 100644
--- a/test/output/symbolSetFill.svg
+++ b/test/output/symbolSetFill.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/symbolSetFillColor.html b/test/output/symbolSetFillColor.html
index 51fb60c118..1bd3a4bbc3 100644
--- a/test/output/symbolSetFillColor.html
+++ b/test/output/symbolSetFillColor.html
@@ -39,7 +39,7 @@
       </svg>5</span><span class="plot-swatch"><svg viewBox="-8 -8 16 16" width="15" height="15" fill="rgb(144, 12, 0)" fill-opacity="1" stroke="none" stroke-opacity="1" stroke-width="1.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <path d="M2.152,1.243L2.152,5.547L-2.152,5.547L-2.152,1.243L-5.88,-0.91L-3.728,-4.638L0,-2.485L3.728,-4.638L5.88,-0.91Z"></path>
       </svg>6</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/symbolSetStroke.svg b/test/output/symbolSetStroke.svg
index 832e96f561..59cdb392a7 100644
--- a/test/output/symbolSetStroke.svg
+++ b/test/output/symbolSetStroke.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/symbolSetStrokeColor.html b/test/output/symbolSetStrokeColor.html
index 962f8343a2..5e7ba03589 100644
--- a/test/output/symbolSetStrokeColor.html
+++ b/test/output/symbolSetStrokeColor.html
@@ -39,7 +39,7 @@
       </svg>5</span><span class="plot-swatch"><svg viewBox="-8 -8 16 16" width="15" height="15" fill="none" fill-opacity="1" stroke="rgb(144, 12, 0)" stroke-opacity="1" stroke-width="1.5" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <path d="M0,-4.995L4.995,0L0,4.995L-4.995,0Z"></path>
       </svg>6</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/textOverflow.svg b/test/output/textOverflow.svg
index 4590579a56..8c91d5f1cd 100644
--- a/test/output/textOverflow.svg
+++ b/test/output/textOverflow.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="800" height="830" viewBox="0 0 800 830" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="800" height="830" viewBox="0 0 800 830">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/textOverflowClip.svg b/test/output/textOverflowClip.svg
index 9bc52b7816..3e7945b726 100644
--- a/test/output/textOverflowClip.svg
+++ b/test/output/textOverflowClip.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="500" height="730" viewBox="0 0 500 730" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="500" height="730" viewBox="0 0 500 730">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/textOverflowEllipsis.svg b/test/output/textOverflowEllipsis.svg
index 6d658b78da..d615b76c94 100644
--- a/test/output/textOverflowEllipsis.svg
+++ b/test/output/textOverflowEllipsis.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="500" height="730" viewBox="0 0 500 730" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="500" height="730" viewBox="0 0 500 730">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/textOverflowMonospace.svg b/test/output/textOverflowMonospace.svg
index c27c009739..212c87abf7 100644
--- a/test/output/textOverflowMonospace.svg
+++ b/test/output/textOverflowMonospace.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="500" height="730" viewBox="0 0 500 730" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="500" height="730" viewBox="0 0 500 730">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/textOverflowNone.svg b/test/output/textOverflowNone.svg
index 1cdd62bca3..5ff3d8575a 100644
--- a/test/output/textOverflowNone.svg
+++ b/test/output/textOverflowNone.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="500" height="1100" viewBox="0 0 500 1100" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="500" height="1100" viewBox="0 0 500 1100">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/thisIsJustToSay.svg b/test/output/thisIsJustToSay.svg
index 270f7a7b2b..a570732c2a 100644
--- a/test/output/thisIsJustToSay.svg
+++ b/test/output/thisIsJustToSay.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="200" viewBox="0 0 640 200">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/timeAxisBottom.svg b/test/output/timeAxisBottom.svg
index 279bbb85f3..6bd15e5b0e 100644
--- a/test/output/timeAxisBottom.svg
+++ b/test/output/timeAxisBottom.svg
@@ -1,5 +1,5 @@
 <svg width="640" height="1500" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-  <g transform="translate(0,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -54,7 +54,7 @@
         <text transform="translate(620,20)"><tspan x="0" y="0.71em">.000</tspan><tspan x="0" dy="1em">:00:01</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,60)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,60)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -109,7 +109,7 @@
         <text transform="translate(620,20)"><tspan x="0" y="0.71em">.000</tspan><tspan x="0" dy="1em">:00:05</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,120)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,120)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -164,7 +164,7 @@
         <text y="0.71em" transform="translate(620,20)">:10</text>
       </g>
     </svg></g>
-  <g transform="translate(0,180)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,180)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -225,7 +225,7 @@
         <text transform="translate(620,20)"><tspan x="0" y="0.71em">:00</tspan><tspan x="0" dy="1em">12:01</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,240)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,240)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -274,7 +274,7 @@
         <text transform="translate(620,20)"><tspan x="0" y="0.71em">:00</tspan><tspan x="0" dy="1em">12:02</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,300)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,300)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -323,7 +323,7 @@
         <text transform="translate(620,20)"><tspan x="0" y="0.71em">:00</tspan><tspan x="0" dy="1em">12:04</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,360)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,360)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -378,7 +378,7 @@
         <text y="0.71em" transform="translate(620,20)">12:10</text>
       </g>
     </svg></g>
-  <g transform="translate(0,420)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,420)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -439,7 +439,7 @@
         <text y="0.71em" transform="translate(620,20)">1:00</text>
       </g>
     </svg></g>
-  <g transform="translate(0,480)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,480)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -494,7 +494,7 @@
         <text y="0.71em" transform="translate(620,20)">2:30</text>
       </g>
     </svg></g>
-  <g transform="translate(0,540)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,540)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -549,7 +549,7 @@
         <text y="0.71em" transform="translate(620,20)">5:00</text>
       </g>
     </svg></g>
-  <g transform="translate(0,600)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,600)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -604,7 +604,7 @@
         <text y="0.71em" transform="translate(620,20)">3:00</text>
       </g>
     </svg></g>
-  <g transform="translate(0,660)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,660)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -659,7 +659,7 @@
         <text y="0.71em" transform="translate(620,20)">10 AM</text>
       </g>
     </svg></g>
-  <g transform="translate(0,720)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,720)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -711,7 +711,7 @@
         <text y="0.71em" transform="translate(578.6206896551723,20)">3 AM</text>
       </g>
     </svg></g>
-  <g transform="translate(0,780)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,780)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -760,7 +760,7 @@
         <text transform="translate(620,20)"><tspan x="0" y="0.71em">12 AM</tspan><tspan x="0" dy="1em">Jan 3</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,840)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,840)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -809,7 +809,7 @@
         <text transform="translate(620,20)"><tspan x="0" y="0.71em">12 AM</tspan><tspan x="0" dy="1em">Jan 5</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,900)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,900)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -852,7 +852,7 @@
         <text y="0.71em" transform="translate(620,20)">11</text>
       </g>
     </svg></g>
-  <g transform="translate(0,960)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,960)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -907,7 +907,7 @@
         <text y="0.71em" transform="translate(620,20)">11</text>
       </g>
     </svg></g>
-  <g transform="translate(0,1020)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1020)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -965,7 +965,7 @@
         <text y="0.71em" transform="translate(620,20)">23</text>
       </g>
     </svg></g>
-  <g transform="translate(0,1080)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1080)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -1029,7 +1029,7 @@
         <text y="0.71em" transform="translate(597.7777777777777,20)">12</text>
       </g>
     </svg></g>
-  <g transform="translate(0,1140)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1140)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -1090,7 +1090,7 @@
         <text y="0.71em" transform="translate(580,20)">26</text>
       </g>
     </svg></g>
-  <g transform="translate(0,1200)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1200)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -1151,7 +1151,7 @@
         <text transform="translate(620,20)"><tspan x="0" y="0.71em">Jan</tspan><tspan x="0" dy="1em">2024</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,1260)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1260)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -1212,7 +1212,7 @@
         <text y="0.71em" transform="translate(620,20)">Apr</text>
       </g>
     </svg></g>
-  <g transform="translate(0,1320)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1320)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -1273,7 +1273,7 @@
         <text transform="translate(620,20)"><tspan x="0" y="0.71em">Jan</tspan><tspan x="0" dy="1em">2026</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,1380)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1380)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -1328,7 +1328,7 @@
         <text y="0.71em" transform="translate(620,20)">2033</text>
       </g>
     </svg></g>
-  <g transform="translate(0,1440)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1440)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
diff --git a/test/output/timeAxisExplicitInterval.svg b/test/output/timeAxisExplicitInterval.svg
index ee27df721a..f302166462 100644
--- a/test/output/timeAxisExplicitInterval.svg
+++ b/test/output/timeAxisExplicitInterval.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/timeAxisExplicitNonstandardInterval.svg b/test/output/timeAxisExplicitNonstandardInterval.svg
index 4864fe610c..3a03aa54a1 100644
--- a/test/output/timeAxisExplicitNonstandardInterval.svg
+++ b/test/output/timeAxisExplicitNonstandardInterval.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/timeAxisExplicitNonstandardIntervalTicks.svg b/test/output/timeAxisExplicitNonstandardIntervalTicks.svg
index 024447e6ea..51ac67dc20 100644
--- a/test/output/timeAxisExplicitNonstandardIntervalTicks.svg
+++ b/test/output/timeAxisExplicitNonstandardIntervalTicks.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/timeAxisLeft.svg b/test/output/timeAxisLeft.svg
index 0ea46419b4..ef3abe5740 100644
--- a/test/output/timeAxisLeft.svg
+++ b/test/output/timeAxisLeft.svg
@@ -1,5 +1,5 @@
 <svg height="400" width="720" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-  <g transform="translate(0,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(0,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -54,7 +54,7 @@
         <text transform="translate(60,20)"><tspan x="0" y="0.31999999999999995em">.000</tspan><tspan x="0" dy="1em">:00:01</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(80,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(80,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -115,7 +115,7 @@
         <text transform="translate(60,20)"><tspan x="0" y="0.31999999999999995em">:00</tspan><tspan x="0" dy="1em">12:01</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(160,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(160,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -170,7 +170,7 @@
         <text y="0.32em" transform="translate(60,20)">12:10</text>
       </g>
     </svg></g>
-  <g transform="translate(240,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(240,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -225,7 +225,7 @@
         <text y="0.32em" transform="translate(60,20)">5:00</text>
       </g>
     </svg></g>
-  <g transform="translate(320,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(320,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -277,7 +277,7 @@
         <text y="0.32em" transform="translate(60,44.82758620689656)">3 AM</text>
       </g>
     </svg></g>
-  <g transform="translate(400,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(400,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -338,7 +338,7 @@
         <text transform="translate(60,20)"><tspan x="0" y="0.31999999999999995em">12 AM</tspan><tspan x="0" dy="1em">Jan 11</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(480,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(480,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -402,7 +402,7 @@
         <text y="0.32em" transform="translate(60,33.33333333333336)">12</text>
       </g>
     </svg></g>
-  <g transform="translate(560,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(560,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -463,7 +463,7 @@
         <text y="0.32em" transform="translate(60,20)">Apr</text>
       </g>
     </svg></g>
-  <g transform="translate(640,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(640,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
diff --git a/test/output/timeAxisLocal.svg b/test/output/timeAxisLocal.svg
index 4eaba5c876..8fc8617db2 100644
--- a/test/output/timeAxisLocal.svg
+++ b/test/output/timeAxisLocal.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/timeAxisOrdinal.svg b/test/output/timeAxisOrdinal.svg
index fed2855c00..2c844fb585 100644
--- a/test/output/timeAxisOrdinal.svg
+++ b/test/output/timeAxisOrdinal.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/timeAxisOrdinalSparseInterval.svg b/test/output/timeAxisOrdinalSparseInterval.svg
index e8b7e6c3f6..15fa45a904 100644
--- a/test/output/timeAxisOrdinalSparseInterval.svg
+++ b/test/output/timeAxisOrdinalSparseInterval.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/timeAxisOrdinalSparseTicks.svg b/test/output/timeAxisOrdinalSparseTicks.svg
index cdc6146d1a..92e42ac5fb 100644
--- a/test/output/timeAxisOrdinalSparseTicks.svg
+++ b/test/output/timeAxisOrdinalSparseTicks.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/timeAxisOrdinalTicks.svg b/test/output/timeAxisOrdinalTicks.svg
index 080a9a7a0b..b8ecbcb701 100644
--- a/test/output/timeAxisOrdinalTicks.svg
+++ b/test/output/timeAxisOrdinalTicks.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/timeAxisRight.svg b/test/output/timeAxisRight.svg
index 280804c9ba..dbaf39d167 100644
--- a/test/output/timeAxisRight.svg
+++ b/test/output/timeAxisRight.svg
@@ -1,5 +1,5 @@
 <svg height="400" width="720" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-  <g transform="translate(0,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(0,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -54,7 +54,7 @@
         <text transform="translate(20,20)"><tspan x="0" y="0.31999999999999995em">.000</tspan><tspan x="0" dy="1em">:00:01</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(80,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(80,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -115,7 +115,7 @@
         <text transform="translate(20,20)"><tspan x="0" y="0.31999999999999995em">:00</tspan><tspan x="0" dy="1em">12:01</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(160,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(160,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -170,7 +170,7 @@
         <text y="0.32em" transform="translate(20,20)">12:10</text>
       </g>
     </svg></g>
-  <g transform="translate(240,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(240,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -225,7 +225,7 @@
         <text y="0.32em" transform="translate(20,20)">5:00</text>
       </g>
     </svg></g>
-  <g transform="translate(320,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(320,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -277,7 +277,7 @@
         <text y="0.32em" transform="translate(20,44.82758620689656)">3 AM</text>
       </g>
     </svg></g>
-  <g transform="translate(400,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(400,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -338,7 +338,7 @@
         <text transform="translate(20,20)"><tspan x="0" y="0.31999999999999995em">12 AM</tspan><tspan x="0" dy="1em">Jan 11</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(480,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(480,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -402,7 +402,7 @@
         <text y="0.32em" transform="translate(20,33.33333333333336)">12</text>
       </g>
     </svg></g>
-  <g transform="translate(560,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(560,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -463,7 +463,7 @@
         <text y="0.32em" transform="translate(20,20)">Apr</text>
       </g>
     </svg></g>
-  <g transform="translate(640,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
+  <g transform="translate(640,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="80" height="400" viewBox="0 0 80 400">
       <style>
         :where(.plot) {
           --plot-background: white;
diff --git a/test/output/timeAxisTop.svg b/test/output/timeAxisTop.svg
index 0bb86f3d86..1fab25abcb 100644
--- a/test/output/timeAxisTop.svg
+++ b/test/output/timeAxisTop.svg
@@ -1,5 +1,5 @@
 <svg width="640" height="1500" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-  <g transform="translate(0,0)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,0)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -54,7 +54,7 @@
         <text transform="translate(620,40)"><tspan x="0" y="-1em">:00:01</tspan><tspan x="0" dy="1em">.000</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,60)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,60)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -109,7 +109,7 @@
         <text transform="translate(620,40)"><tspan x="0" y="-1em">:00:05</tspan><tspan x="0" dy="1em">.000</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,120)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,120)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -164,7 +164,7 @@
         <text transform="translate(620,40)">:10</text>
       </g>
     </svg></g>
-  <g transform="translate(0,180)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,180)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -225,7 +225,7 @@
         <text transform="translate(620,40)"><tspan x="0" y="-1em">12:01</tspan><tspan x="0" dy="1em">:00</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,240)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,240)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -274,7 +274,7 @@
         <text transform="translate(620,40)"><tspan x="0" y="-1em">12:02</tspan><tspan x="0" dy="1em">:00</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,300)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,300)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -323,7 +323,7 @@
         <text transform="translate(620,40)"><tspan x="0" y="-1em">12:04</tspan><tspan x="0" dy="1em">:00</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,360)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,360)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -378,7 +378,7 @@
         <text transform="translate(620,40)">12:10</text>
       </g>
     </svg></g>
-  <g transform="translate(0,420)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,420)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -439,7 +439,7 @@
         <text transform="translate(620,40)">1:00</text>
       </g>
     </svg></g>
-  <g transform="translate(0,480)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,480)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -494,7 +494,7 @@
         <text transform="translate(620,40)">2:30</text>
       </g>
     </svg></g>
-  <g transform="translate(0,540)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,540)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -549,7 +549,7 @@
         <text transform="translate(620,40)">5:00</text>
       </g>
     </svg></g>
-  <g transform="translate(0,600)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,600)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -604,7 +604,7 @@
         <text transform="translate(620,40)">3:00</text>
       </g>
     </svg></g>
-  <g transform="translate(0,660)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,660)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -659,7 +659,7 @@
         <text transform="translate(620,40)">10 AM</text>
       </g>
     </svg></g>
-  <g transform="translate(0,720)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,720)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -711,7 +711,7 @@
         <text transform="translate(578.6206896551723,40)">3 AM</text>
       </g>
     </svg></g>
-  <g transform="translate(0,780)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,780)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -760,7 +760,7 @@
         <text transform="translate(620,40)"><tspan x="0" y="-1em">Jan 3</tspan><tspan x="0" dy="1em">12 AM</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,840)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,840)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -809,7 +809,7 @@
         <text transform="translate(620,40)"><tspan x="0" y="-1em">Jan 5</tspan><tspan x="0" dy="1em">12 AM</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,900)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,900)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -852,7 +852,7 @@
         <text transform="translate(620,40)">11</text>
       </g>
     </svg></g>
-  <g transform="translate(0,960)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,960)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -907,7 +907,7 @@
         <text transform="translate(620,40)">11</text>
       </g>
     </svg></g>
-  <g transform="translate(0,1020)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1020)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -965,7 +965,7 @@
         <text transform="translate(620,40)">23</text>
       </g>
     </svg></g>
-  <g transform="translate(0,1080)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1080)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -1029,7 +1029,7 @@
         <text transform="translate(597.7777777777777,40)">12</text>
       </g>
     </svg></g>
-  <g transform="translate(0,1140)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1140)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -1090,7 +1090,7 @@
         <text transform="translate(580,40)">26</text>
       </g>
     </svg></g>
-  <g transform="translate(0,1200)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1200)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -1151,7 +1151,7 @@
         <text transform="translate(620,40)"><tspan x="0" y="-1em">2024</tspan><tspan x="0" dy="1em">Jan</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,1260)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1260)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -1212,7 +1212,7 @@
         <text transform="translate(620,40)">Apr</text>
       </g>
     </svg></g>
-  <g transform="translate(0,1320)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1320)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -1273,7 +1273,7 @@
         <text transform="translate(620,40)"><tspan x="0" y="-1em">2026</tspan><tspan x="0" dy="1em">Jan</tspan></text>
       </g>
     </svg></g>
-  <g transform="translate(0,1380)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1380)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
@@ -1328,7 +1328,7 @@
         <text transform="translate(620,40)">2033</text>
       </g>
     </svg></g>
-  <g transform="translate(0,1440)"><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
+  <g transform="translate(0,1440)"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
       <style>
         :where(.plot) {
           --plot-background: white;
diff --git a/test/output/tipAreaBand.svg b/test/output/tipAreaBand.svg
index 1b7419481d..d2af54514a 100644
--- a/test/output/tipAreaBand.svg
+++ b/test/output/tipAreaBand.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipAreaStack.svg b/test/output/tipAreaStack.svg
index bdaa0961d7..5b5f8f28a8 100644
--- a/test/output/tipAreaStack.svg
+++ b/test/output/tipAreaStack.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipBar.svg b/test/output/tipBar.svg
index 7b4abebece..03e31f0cc0 100644
--- a/test/output/tipBar.svg
+++ b/test/output/tipBar.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="620" viewBox="0 0 640 620">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipBin.svg b/test/output/tipBin.svg
index 70f76d54c9..7865cb54fa 100644
--- a/test/output/tipBin.svg
+++ b/test/output/tipBin.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipBinStack.svg b/test/output/tipBinStack.svg
index 6a463c8346..abe2d6a1b9 100644
--- a/test/output/tipBinStack.svg
+++ b/test/output/tipBinStack.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipCell.svg b/test/output/tipCell.svg
index 9fafb84282..f8bbfd5501 100644
--- a/test/output/tipCell.svg
+++ b/test/output/tipCell.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipCellFacet.svg b/test/output/tipCellFacet.svg
index b7cd5ad94f..a9755a39bd 100644
--- a/test/output/tipCellFacet.svg
+++ b/test/output/tipCellFacet.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipColorLiteral.svg b/test/output/tipColorLiteral.svg
index 36cc8ee6ad..9fc03c1015 100644
--- a/test/output/tipColorLiteral.svg
+++ b/test/output/tipColorLiteral.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipDodge.svg b/test/output/tipDodge.svg
index d23559fe32..8c407d956b 100644
--- a/test/output/tipDodge.svg
+++ b/test/output/tipDodge.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipDot.svg b/test/output/tipDot.svg
index e096f21482..828c992e0e 100644
--- a/test/output/tipDot.svg
+++ b/test/output/tipDot.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipDotFacets.svg b/test/output/tipDotFacets.svg
index 8d260aef94..6aea4eeb2c 100644
--- a/test/output/tipDotFacets.svg
+++ b/test/output/tipDotFacets.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="930" viewBox="0 0 640 930" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="930" viewBox="0 0 640 930">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipDotFilter.svg b/test/output/tipDotFilter.svg
index 8b4a0ab997..db39fad1d8 100644
--- a/test/output/tipDotFilter.svg
+++ b/test/output/tipDotFilter.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipDotX.svg b/test/output/tipDotX.svg
index 1f56a74e8d..8b17514624 100644
--- a/test/output/tipDotX.svg
+++ b/test/output/tipDotX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFacetX.svg b/test/output/tipFacetX.svg
index e3202c7f73..7a0ee5f3c9 100644
--- a/test/output/tipFacetX.svg
+++ b/test/output/tipFacetX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatChannels.svg b/test/output/tipFormatChannels.svg
index a2dc2ee7ce..a12c251585 100644
--- a/test/output/tipFormatChannels.svg
+++ b/test/output/tipFormatChannels.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatFacet.svg b/test/output/tipFormatFacet.svg
index cfcdd099fc..dc96a5d4c9 100644
--- a/test/output/tipFormatFacet.svg
+++ b/test/output/tipFormatFacet.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatFacetFalse.svg b/test/output/tipFormatFacetFalse.svg
index f65a008a6c..ffb7299df2 100644
--- a/test/output/tipFormatFacetFalse.svg
+++ b/test/output/tipFormatFacetFalse.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatFacetFormat.svg b/test/output/tipFormatFacetFormat.svg
index da4708c04f..d02eff49d6 100644
--- a/test/output/tipFormatFacetFormat.svg
+++ b/test/output/tipFormatFacetFormat.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatFacetFormatDefaultDay.svg b/test/output/tipFormatFacetFormatDefaultDay.svg
index 272a7a7c69..4f1f21bd66 100644
--- a/test/output/tipFormatFacetFormatDefaultDay.svg
+++ b/test/output/tipFormatFacetFormatDefaultDay.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatFacetFormatDefaultHour.svg b/test/output/tipFormatFacetFormatDefaultHour.svg
index 283509045e..58fb2b9c0a 100644
--- a/test/output/tipFormatFacetFormatDefaultHour.svg
+++ b/test/output/tipFormatFacetFormatDefaultHour.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatFacetFormatDefaultYear.svg b/test/output/tipFormatFacetFormatDefaultYear.svg
index 63699349b2..c5040733cb 100644
--- a/test/output/tipFormatFacetFormatDefaultYear.svg
+++ b/test/output/tipFormatFacetFormatDefaultYear.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatFacetLabel.svg b/test/output/tipFormatFacetLabel.svg
index 86a7232827..078945f616 100644
--- a/test/output/tipFormatFacetLabel.svg
+++ b/test/output/tipFormatFacetLabel.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="110" viewBox="0 0 640 110">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatFunction.svg b/test/output/tipFormatFunction.svg
index 8ecc3a2c04..a48ee6a0e5 100644
--- a/test/output/tipFormatFunction.svg
+++ b/test/output/tipFormatFunction.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatNull.svg b/test/output/tipFormatNull.svg
index b6b5bc528c..cb2722300d 100644
--- a/test/output/tipFormatNull.svg
+++ b/test/output/tipFormatNull.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatPaired.svg b/test/output/tipFormatPaired.svg
index 7d20e4801e..bf2100a408 100644
--- a/test/output/tipFormatPaired.svg
+++ b/test/output/tipFormatPaired.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatPairedFormat.svg b/test/output/tipFormatPairedFormat.svg
index 6b46cf7b39..e530c11fe6 100644
--- a/test/output/tipFormatPairedFormat.svg
+++ b/test/output/tipFormatPairedFormat.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatPairedLabel.svg b/test/output/tipFormatPairedLabel.svg
index e24955430f..f3cc8b7662 100644
--- a/test/output/tipFormatPairedLabel.svg
+++ b/test/output/tipFormatPairedLabel.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatPairedLabelChannel.svg b/test/output/tipFormatPairedLabelChannel.svg
index 3b5cc961bf..e41870609e 100644
--- a/test/output/tipFormatPairedLabelChannel.svg
+++ b/test/output/tipFormatPairedLabelChannel.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatPairedLabelScale.svg b/test/output/tipFormatPairedLabelScale.svg
index 442ddc43b1..b457437a04 100644
--- a/test/output/tipFormatPairedLabelScale.svg
+++ b/test/output/tipFormatPairedLabelScale.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatPairedPartial.svg b/test/output/tipFormatPairedPartial.svg
index 4658002b35..f801e2adee 100644
--- a/test/output/tipFormatPairedPartial.svg
+++ b/test/output/tipFormatPairedPartial.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatPriority1.svg b/test/output/tipFormatPriority1.svg
index 00bb224674..8a303d7b06 100644
--- a/test/output/tipFormatPriority1.svg
+++ b/test/output/tipFormatPriority1.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatPriority2.svg b/test/output/tipFormatPriority2.svg
index 1bb794b6ef..f36cc01249 100644
--- a/test/output/tipFormatPriority2.svg
+++ b/test/output/tipFormatPriority2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatPriorityDefault.svg b/test/output/tipFormatPriorityDefault.svg
index c40496efa0..ea39d12dec 100644
--- a/test/output/tipFormatPriorityDefault.svg
+++ b/test/output/tipFormatPriorityDefault.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatPriorityPaired.svg b/test/output/tipFormatPriorityPaired.svg
index 6b98544db5..7f6783d5d2 100644
--- a/test/output/tipFormatPriorityPaired.svg
+++ b/test/output/tipFormatPriorityPaired.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatPriorityPaired2.svg b/test/output/tipFormatPriorityPaired2.svg
index e003d6808a..5d9d2ed299 100644
--- a/test/output/tipFormatPriorityPaired2.svg
+++ b/test/output/tipFormatPriorityPaired2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatStringDate.svg b/test/output/tipFormatStringDate.svg
index 94c8a86ca9..f4b332e741 100644
--- a/test/output/tipFormatStringDate.svg
+++ b/test/output/tipFormatStringDate.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatStringNumber.svg b/test/output/tipFormatStringNumber.svg
index 8ecc3a2c04..a48ee6a0e5 100644
--- a/test/output/tipFormatStringNumber.svg
+++ b/test/output/tipFormatStringNumber.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatTitleExplicit.svg b/test/output/tipFormatTitleExplicit.svg
index 1077a59002..4505c2d93b 100644
--- a/test/output/tipFormatTitleExplicit.svg
+++ b/test/output/tipFormatTitleExplicit.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatTitleFormat.svg b/test/output/tipFormatTitleFormat.svg
index bf3a364540..63dd10fdb3 100644
--- a/test/output/tipFormatTitleFormat.svg
+++ b/test/output/tipFormatTitleFormat.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatTitleFormatFunction.svg b/test/output/tipFormatTitleFormatFunction.svg
index e766740988..c9f2132900 100644
--- a/test/output/tipFormatTitleFormatFunction.svg
+++ b/test/output/tipFormatTitleFormatFunction.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatTitleFormatShorthand.svg b/test/output/tipFormatTitleFormatShorthand.svg
index 24916ca8cf..c291c9ad84 100644
--- a/test/output/tipFormatTitleFormatShorthand.svg
+++ b/test/output/tipFormatTitleFormatShorthand.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipFormatTitlePrimitive.svg b/test/output/tipFormatTitlePrimitive.svg
index 57634b8de1..81df56a9b0 100644
--- a/test/output/tipFormatTitlePrimitive.svg
+++ b/test/output/tipFormatTitlePrimitive.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="90" viewBox="0 0 640 90">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipGeoCentroid.svg b/test/output/tipGeoCentroid.svg
index c06112219f..ca1054a80c 100644
--- a/test/output/tipGeoCentroid.svg
+++ b/test/output/tipGeoCentroid.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipGeoNoProjection.svg b/test/output/tipGeoNoProjection.svg
index fbae945741..64774d199d 100644
--- a/test/output/tipGeoNoProjection.svg
+++ b/test/output/tipGeoNoProjection.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipGeoProjection.svg b/test/output/tipGeoProjection.svg
index 0c621d229e..490252ad4a 100644
--- a/test/output/tipGeoProjection.svg
+++ b/test/output/tipGeoProjection.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipGroupPrimitives.svg b/test/output/tipGroupPrimitives.svg
index 4583b682b7..1b2af511bf 100644
--- a/test/output/tipGroupPrimitives.svg
+++ b/test/output/tipGroupPrimitives.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="80" viewBox="0 0 640 80" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="80" viewBox="0 0 640 80">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipHexbin.svg b/test/output/tipHexbin.svg
index b936036c87..2bd6fafff5 100644
--- a/test/output/tipHexbin.svg
+++ b/test/output/tipHexbin.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipHexbinExplicit.svg b/test/output/tipHexbinExplicit.svg
index 4b501cdea2..5dc27cd3e5 100644
--- a/test/output/tipHexbinExplicit.svg
+++ b/test/output/tipHexbinExplicit.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipLineX.svg b/test/output/tipLineX.svg
index e93cc84137..cfb111297b 100644
--- a/test/output/tipLineX.svg
+++ b/test/output/tipLineX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipLineY.svg b/test/output/tipLineY.svg
index 6ccd4ff462..bd27717e7a 100644
--- a/test/output/tipLineY.svg
+++ b/test/output/tipLineY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipLongText.svg b/test/output/tipLongText.svg
index b023ab0a11..085048ca21 100644
--- a/test/output/tipLongText.svg
+++ b/test/output/tipLongText.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipNewLines.svg b/test/output/tipNewLines.svg
index bd4730d9c6..61cfb69d8f 100644
--- a/test/output/tipNewLines.svg
+++ b/test/output/tipNewLines.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="40" viewBox="0 0 640 40" style="overflow: visible;" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="40" viewBox="0 0 640 40" style="overflow: visible;">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipRaster.svg b/test/output/tipRaster.svg
index df61436498..3788bd753d 100644
--- a/test/output/tipRaster.svg
+++ b/test/output/tipRaster.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="484" viewBox="0 0 640 484">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipRule.svg b/test/output/tipRule.svg
index a03334dfde..7014a9cfb7 100644
--- a/test/output/tipRule.svg
+++ b/test/output/tipRule.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipRuleAnchored.svg b/test/output/tipRuleAnchored.svg
index 1e152e6ae3..bf8e0dcb61 100644
--- a/test/output/tipRuleAnchored.svg
+++ b/test/output/tipRuleAnchored.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/tipTransform.html b/test/output/tipTransform.html
index d36cd193b3..8ed1f40c7d 100644
--- a/test/output/tipTransform.html
+++ b/test/output/tipTransform.html
@@ -39,7 +39,7 @@
         <text fill="currentColor" y="9" dy="0.71em">100</text>
       </g>
     </g>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="245" height="60" viewBox="0 0 245 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="245" height="60" viewBox="0 0 245 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/title.html b/test/output/title.html
index e7f9413495..770c2b2554 100644
--- a/test/output/title.html
+++ b/test/output/title.html
@@ -33,7 +33,7 @@ <h3>A subtitle about body_mass_g</h3>
       </svg>Chinstrap</span><span class="plot-swatch"><svg width="15" height="15" fill="#ff725c" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>Gentoo</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/titleHtml.html b/test/output/titleHtml.html
index 55f2c849fa..7cdc9268e3 100644
--- a/test/output/titleHtml.html
+++ b/test/output/titleHtml.html
@@ -1,6 +1,6 @@
 <figure class="plot-d6a7b5-figure" style="max-width: initial;">
   <h2>A <i>fancy</i> title about penguins</h2>
-  <em>A <tt>fancy</tt> subtitle</em><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <em>A <tt>fancy</tt> subtitle</em><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/trafficHorizon.html b/test/output/trafficHorizon.html
index 6a17ffe575..4358f62483 100644
--- a/test/output/trafficHorizon.html
+++ b/test/output/trafficHorizon.html
@@ -35,7 +35,7 @@
       </svg>≥6,000</span><span class="plot-swatch"><svg width="15" height="15" fill="#08519c" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>≥8,000</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="1100" viewBox="0 0 960 1100" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="1100" viewBox="0 0 960 1100">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/travelersCovidDrop.svg b/test/output/travelersCovidDrop.svg
index 88d66a9999..313f1e5c03 100644
--- a/test/output/travelersCovidDrop.svg
+++ b/test/output/travelersCovidDrop.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="400" viewBox="0 0 960 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="400" viewBox="0 0 960 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/travelersYearOverYear.svg b/test/output/travelersYearOverYear.svg
index 96a0d25f4c..d4502c18e9 100644
--- a/test/output/travelersYearOverYear.svg
+++ b/test/output/travelersYearOverYear.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/treeDelimiter.svg b/test/output/treeDelimiter.svg
index 72e5dfd727..0bc456a44a 100644
--- a/test/output/treeDelimiter.svg
+++ b/test/output/treeDelimiter.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="150" viewBox="0 0 640 150" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="150" viewBox="0 0 640 150">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/treeDelimiter2.svg b/test/output/treeDelimiter2.svg
index 72e5dfd727..0bc456a44a 100644
--- a/test/output/treeDelimiter2.svg
+++ b/test/output/treeDelimiter2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="150" viewBox="0 0 640 150" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="150" viewBox="0 0 640 150">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/uniformRandomDifference.svg b/test/output/uniformRandomDifference.svg
index e7c349a4db..85e19a778d 100644
--- a/test/output/uniformRandomDifference.svg
+++ b/test/output/uniformRandomDifference.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/untypedDateBin.svg b/test/output/untypedDateBin.svg
index db533c22e3..c6d051581b 100644
--- a/test/output/untypedDateBin.svg
+++ b/test/output/untypedDateBin.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usCongressAge.svg b/test/output/usCongressAge.svg
index 7512713bf0..93dba931c1 100644
--- a/test/output/usCongressAge.svg
+++ b/test/output/usCongressAge.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usCongressAgeColorExplicit.svg b/test/output/usCongressAgeColorExplicit.svg
index 4107088ab0..82cd34b40b 100644
--- a/test/output/usCongressAgeColorExplicit.svg
+++ b/test/output/usCongressAgeColorExplicit.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usCongressAgeGender.svg b/test/output/usCongressAgeGender.svg
index b597d06768..ef6541c646 100644
--- a/test/output/usCongressAgeGender.svg
+++ b/test/output/usCongressAgeGender.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usCongressAgeSymbolExplicit.svg b/test/output/usCongressAgeSymbolExplicit.svg
index 46805d01e1..9c9b116863 100644
--- a/test/output/usCongressAgeSymbolExplicit.svg
+++ b/test/output/usCongressAgeSymbolExplicit.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="300" viewBox="0 0 640 300">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usCountyChoropleth.html b/test/output/usCountyChoropleth.html
index 04c9b6262b..86bf37c749 100644
--- a/test/output/usCountyChoropleth.html
+++ b/test/output/usCountyChoropleth.html
@@ -58,7 +58,7 @@
       </g>
     </g>
     <text x="0" y="12" fill="currentColor" font-weight="bold">Unemployment (%)</text>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/usCountySpikes.svg b/test/output/usCountySpikes.svg
index 44a38576b1..2b26aae27e 100644
--- a/test/output/usCountySpikes.svg
+++ b/test/output/usCountySpikes.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usCountyVoronoi.svg b/test/output/usCountyVoronoi.svg
index 73b71aae02..7950c4b54f 100644
--- a/test/output/usCountyVoronoi.svg
+++ b/test/output/usCountyVoronoi.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usCountyVoronoiMesh.svg b/test/output/usCountyVoronoiMesh.svg
index 98767d5a97..eb148354d1 100644
--- a/test/output/usCountyVoronoiMesh.svg
+++ b/test/output/usCountyVoronoiMesh.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="401" viewBox="0 0 640 401">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usPopulationStateAge.svg b/test/output/usPopulationStateAge.svg
index 07db544cf0..590f456354 100644
--- a/test/output/usPopulationStateAge.svg
+++ b/test/output/usPopulationStateAge.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="240" viewBox="0 0 640 240" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="240" viewBox="0 0 640 240">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usPopulationStateAgeDots.svg b/test/output/usPopulationStateAgeDots.svg
index 8a8c31b04a..3abb847b50 100644
--- a/test/output/usPopulationStateAgeDots.svg
+++ b/test/output/usPopulationStateAgeDots.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="660" viewBox="0 0 640 660" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="660" viewBox="0 0 640 660">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usPopulationStateAgeGrouped.svg b/test/output/usPopulationStateAgeGrouped.svg
index 3fac985510..cc0c7977b0 100644
--- a/test/output/usPopulationStateAgeGrouped.svg
+++ b/test/output/usPopulationStateAgeGrouped.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="430" viewBox="0 0 640 430">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usPresidentFavorabilityDots.svg b/test/output/usPresidentFavorabilityDots.svg
index f8579e796e..bbe6f9a66f 100644
--- a/test/output/usPresidentFavorabilityDots.svg
+++ b/test/output/usPresidentFavorabilityDots.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usPresidentGallery.svg b/test/output/usPresidentGallery.svg
index 9610c09aa5..dc6c878197 100644
--- a/test/output/usPresidentGallery.svg
+++ b/test/output/usPresidentGallery.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="300" viewBox="0 0 960 300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="300" viewBox="0 0 960 300">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usPresidentGalleryAlt.svg b/test/output/usPresidentGalleryAlt.svg
index 3e38782f88..b79765eaf8 100644
--- a/test/output/usPresidentGalleryAlt.svg
+++ b/test/output/usPresidentGalleryAlt.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="300" viewBox="0 0 960 300" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="300" viewBox="0 0 960 300">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usPresidentialElection2020.svg b/test/output/usPresidentialElection2020.svg
index ad4bac5abd..5bd642f33e 100644
--- a/test/output/usPresidentialElection2020.svg
+++ b/test/output/usPresidentialElection2020.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="640" viewBox="0 0 960 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="640" viewBox="0 0 960 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usPresidentialElectionMap2020.svg b/test/output/usPresidentialElectionMap2020.svg
index 06378d69a3..3f564b7711 100644
--- a/test/output/usPresidentialElectionMap2020.svg
+++ b/test/output/usPresidentialElectionMap2020.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usPresidentialForecast2016.svg b/test/output/usPresidentialForecast2016.svg
index b2bab60531..267f08ed0b 100644
--- a/test/output/usPresidentialForecast2016.svg
+++ b/test/output/usPresidentialForecast2016.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usRetailSales.svg b/test/output/usRetailSales.svg
index 4fc36b5c39..6f1772e432 100644
--- a/test/output/usRetailSales.svg
+++ b/test/output/usRetailSales.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usStateCapitals.svg b/test/output/usStateCapitals.svg
index c1a70b8032..eaffbe8acf 100644
--- a/test/output/usStateCapitals.svg
+++ b/test/output/usStateCapitals.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usStateCapitalsVoronoi.svg b/test/output/usStateCapitalsVoronoi.svg
index 3b77b8a4ec..68ce920b5c 100644
--- a/test/output/usStateCapitalsVoronoi.svg
+++ b/test/output/usStateCapitalsVoronoi.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usStateCentroidVoronoi.svg b/test/output/usStateCentroidVoronoi.svg
index 9d4b20f061..ce9d49fac6 100644
--- a/test/output/usStateCentroidVoronoi.svg
+++ b/test/output/usStateCentroidVoronoi.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usStateGeoCentroidVoronoi.svg b/test/output/usStateGeoCentroidVoronoi.svg
index ef0a73c090..f6f13ca509 100644
--- a/test/output/usStateGeoCentroidVoronoi.svg
+++ b/test/output/usStateGeoCentroidVoronoi.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="640" viewBox="0 0 640 640">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usStatePopulationChange.svg b/test/output/usStatePopulationChange.svg
index 6234b8772a..9994b32422 100644
--- a/test/output/usStatePopulationChange.svg
+++ b/test/output/usStatePopulationChange.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="800" viewBox="0 0 640 800" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="800" viewBox="0 0 640 800">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/usStatePopulationChangeRelative.svg b/test/output/usStatePopulationChangeRelative.svg
index 43b204352d..46a1830059 100644
--- a/test/output/usStatePopulationChangeRelative.svg
+++ b/test/output/usStatePopulationChangeRelative.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="800" viewBox="0 0 640 800" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="800" viewBox="0 0 640 800">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/varColor.svg b/test/output/varColor.svg
index 20c8d4ee92..92313db10a 100644
--- a/test/output/varColor.svg
+++ b/test/output/varColor.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" style="--a: 0.5; --b: rgba(255, 0, 0, var(--a));" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" style="--a: 0.5; --b: rgba(255, 0, 0, var(--a));">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/varColor2.svg b/test/output/varColor2.svg
index aedd5613c6..4d13fc465d 100644
--- a/test/output/varColor2.svg
+++ b/test/output/varColor2.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" style="--a: 0.5;" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" style="--a: 0.5;">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/varColorP3.svg b/test/output/varColorP3.svg
index 9d34284201..ae590cbdc0 100644
--- a/test/output/varColorP3.svg
+++ b/test/output/varColorP3.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="580" viewBox="0 0 640 580">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/vectorField.svg b/test/output/vectorField.svg
index dd53362531..ee68e404aa 100644
--- a/test/output/vectorField.svg
+++ b/test/output/vectorField.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="600" viewBox="0 0 640 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/vectorFrame.svg b/test/output/vectorFrame.svg
index d9864a0f5e..604a6ce119 100644
--- a/test/output/vectorFrame.svg
+++ b/test/output/vectorFrame.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="200" height="200" viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="200" height="200" viewBox="0 0 200 200">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/volcano.svg b/test/output/volcano.svg
index ff5a0a1988..2ce71d27e0 100644
--- a/test/output/volcano.svg
+++ b/test/output/volcano.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/volcanoContour.svg b/test/output/volcanoContour.svg
index 9be81e244c..b755b4d2bf 100644
--- a/test/output/volcanoContour.svg
+++ b/test/output/volcanoContour.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/volcanoTerrain.svg b/test/output/volcanoTerrain.svg
index 1193ed535a..c4b1be7644 100644
--- a/test/output/volcanoTerrain.svg
+++ b/test/output/volcanoTerrain.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleMultiple.svg b/test/output/waffleMultiple.svg
index 4884b906c3..155518ad74 100644
--- a/test/output/waffleMultiple.svg
+++ b/test/output/waffleMultiple.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleRound.svg b/test/output/waffleRound.svg
index 8dd553d469..f2e551ca49 100644
--- a/test/output/waffleRound.svg
+++ b/test/output/waffleRound.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleShorthand.svg b/test/output/waffleShorthand.svg
index 2c942bbba9..6ade3b217e 100644
--- a/test/output/waffleShorthand.svg
+++ b/test/output/waffleShorthand.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleSquished.svg b/test/output/waffleSquished.svg
index aeff76873d..f1c4122d7e 100644
--- a/test/output/waffleSquished.svg
+++ b/test/output/waffleSquished.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="80" viewBox="0 0 640 80" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="80" viewBox="0 0 640 80">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleStroke.svg b/test/output/waffleStroke.svg
index ff8bc9a54a..a953230cb7 100644
--- a/test/output/waffleStroke.svg
+++ b/test/output/waffleStroke.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleStrokeMixed.svg b/test/output/waffleStrokeMixed.svg
index fceae2f5af..0460ef25c1 100644
--- a/test/output/waffleStrokeMixed.svg
+++ b/test/output/waffleStrokeMixed.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleStrokeNegative.svg b/test/output/waffleStrokeNegative.svg
index 8e03565a10..3cf1db9fd6 100644
--- a/test/output/waffleStrokeNegative.svg
+++ b/test/output/waffleStrokeNegative.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleStrokePositive.svg b/test/output/waffleStrokePositive.svg
index cb2ab9cd2b..e18f8d787f 100644
--- a/test/output/waffleStrokePositive.svg
+++ b/test/output/waffleStrokePositive.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleX.svg b/test/output/waffleX.svg
index 7ab8f53e3b..882dd92d43 100644
--- a/test/output/waffleX.svg
+++ b/test/output/waffleX.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="160" viewBox="0 0 640 160">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleXStacked.svg b/test/output/waffleXStacked.svg
index 15b8312d1c..0c46ebaa6b 100644
--- a/test/output/waffleXStacked.svg
+++ b/test/output/waffleXStacked.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="240" viewBox="0 0 640 240" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="240" viewBox="0 0 640 240">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleY.svg b/test/output/waffleY.svg
index 5bdf4e4117..e18debac8b 100644
--- a/test/output/waffleY.svg
+++ b/test/output/waffleY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleYGrouped.svg b/test/output/waffleYGrouped.svg
index 0e9b4ec8f7..855b23c2b3 100644
--- a/test/output/waffleYGrouped.svg
+++ b/test/output/waffleYGrouped.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="470" viewBox="0 0 640 470" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="470" viewBox="0 0 640 470">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/waffleYStacked.html b/test/output/waffleYStacked.html
index 71dbdad274..17516f7ea1 100644
--- a/test/output/waffleYStacked.html
+++ b/test/output/waffleYStacked.html
@@ -35,7 +35,7 @@
       </svg>Adults 18+</span><span class="plot-swatch"><svg width="15" height="15" fill="rgb(175, 240, 91)" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>Elderly 65+</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/walmarts.html b/test/output/walmarts.html
index b510d76eeb..f3995bb6d1 100644
--- a/test/output/walmarts.html
+++ b/test/output/walmarts.html
@@ -32,7 +32,7 @@
       </g>
     </g>
     <text x="0" y="12" fill="currentColor" font-weight="bold">First year opened</text>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/walmartsAdditions.svg b/test/output/walmartsAdditions.svg
index ea10521ad3..f3dd3698d7 100644
--- a/test/output/walmartsAdditions.svg
+++ b/test/output/walmartsAdditions.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="200" height="1132" viewBox="0 0 200 1132" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="200" height="1132" viewBox="0 0 200 1132">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/walmartsDecades.svg b/test/output/walmartsDecades.svg
index f68de58307..cd87e16597 100644
--- a/test/output/walmartsDecades.svg
+++ b/test/output/walmartsDecades.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="150" viewBox="0 0 960 150" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="150" viewBox="0 0 960 150">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/walmartsDensity.svg b/test/output/walmartsDensity.svg
index dc79eb35c1..2cf5764438 100644
--- a/test/output/walmartsDensity.svg
+++ b/test/output/walmartsDensity.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/walmartsDensityUnprojected.svg b/test/output/walmartsDensityUnprojected.svg
index 6e4b53e6ca..d1e3f295af 100644
--- a/test/output/walmartsDensityUnprojected.svg
+++ b/test/output/walmartsDensityUnprojected.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="960" height="600" viewBox="0 0 960 600">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/warnMisalignedDivergingDomain.html b/test/output/warnMisalignedDivergingDomain.html
index 03287d6c4e..b913b5e23e 100644
--- a/test/output/warnMisalignedDivergingDomain.html
+++ b/test/output/warnMisalignedDivergingDomain.html
@@ -35,7 +35,7 @@
         <text fill="currentColor" y="9" dy="0.71em">4</text>
       </g>
     </g>
-  </svg><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/warnTimeAxisOrdinalExplicitIncompatibleTicks.svg b/test/output/warnTimeAxisOrdinalExplicitIncompatibleTicks.svg
index d7395033e9..5423a65a97 100644
--- a/test/output/warnTimeAxisOrdinalExplicitIncompatibleTicks.svg
+++ b/test/output/warnTimeAxisOrdinalExplicitIncompatibleTicks.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/warnTimeAxisOrdinalIncompatible.svg b/test/output/warnTimeAxisOrdinalIncompatible.svg
index d7395033e9..5423a65a97 100644
--- a/test/output/warnTimeAxisOrdinalIncompatible.svg
+++ b/test/output/warnTimeAxisOrdinalIncompatible.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/wealthBritainBar.svg b/test/output/wealthBritainBar.svg
index 4f8ce0d6a1..2fda07f0a5 100644
--- a/test/output/wealthBritainBar.svg
+++ b/test/output/wealthBritainBar.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="60" viewBox="0 0 640 60">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/wealthBritainProportionPlot.svg b/test/output/wealthBritainProportionPlot.svg
index 30db29124c..6db5ae650b 100644
--- a/test/output/wealthBritainProportionPlot.svg
+++ b/test/output/wealthBritainProportionPlot.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/wordCloud.svg b/test/output/wordCloud.svg
index 05a3fa5322..4eeeace060 100644
--- a/test/output/wordCloud.svg
+++ b/test/output/wordCloud.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/wordLengthMobyDick.svg b/test/output/wordLengthMobyDick.svg
index 6bc364ab15..4326426bf6 100644
--- a/test/output/wordLengthMobyDick.svg
+++ b/test/output/wordLengthMobyDick.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/yearlyRequests.svg b/test/output/yearlyRequests.svg
index 4d4e8a2ad4..6894e48a1d 100644
--- a/test/output/yearlyRequests.svg
+++ b/test/output/yearlyRequests.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/yearlyRequestsDate.svg b/test/output/yearlyRequestsDate.svg
index 4d4e8a2ad4..6894e48a1d 100644
--- a/test/output/yearlyRequestsDate.svg
+++ b/test/output/yearlyRequestsDate.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/yearlyRequestsDot.svg b/test/output/yearlyRequestsDot.svg
index f641176843..088ef35cb8 100644
--- a/test/output/yearlyRequestsDot.svg
+++ b/test/output/yearlyRequestsDot.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/yearlyRequestsLine.svg b/test/output/yearlyRequestsLine.svg
index a9db93dc32..2f95be0929 100644
--- a/test/output/yearlyRequestsLine.svg
+++ b/test/output/yearlyRequestsLine.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/youngAdults.html b/test/output/youngAdults.html
index 630224b643..dbfd40d888 100644
--- a/test/output/youngAdults.html
+++ b/test/output/youngAdults.html
@@ -33,7 +33,7 @@ <h3>…by age and sex. Data: Eurostat</h3>
       </svg>Y20-24</span><span class="plot-swatch"><svg width="15" height="15" fill="#ff725c" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
         <rect width="100%" height="100%"></rect>
       </svg>Y25-29</span>
-  </div><svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="928" height="430" viewBox="0 0 928 430" style="max-width: 4000px; overflow-y: visible;" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+  </div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="928" height="430" viewBox="0 0 928 430" style="max-width: 4000px; overflow-y: visible;">
     <style>
       :where(.plot) {
         --plot-background: white;
diff --git a/test/output/zeroNegativeDegenerateY.svg b/test/output/zeroNegativeDegenerateY.svg
index 9ebb283ba2..f3de6088cc 100644
--- a/test/output/zeroNegativeDegenerateY.svg
+++ b/test/output/zeroNegativeDegenerateY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/zeroNegativeY.svg b/test/output/zeroNegativeY.svg
index b3f5493ae1..3d25a884e3 100644
--- a/test/output/zeroNegativeY.svg
+++ b/test/output/zeroNegativeY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/zeroPositiveDegenerateY.svg b/test/output/zeroPositiveDegenerateY.svg
index 533b2ad023..85403cec32 100644
--- a/test/output/zeroPositiveDegenerateY.svg
+++ b/test/output/zeroPositiveDegenerateY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;
diff --git a/test/output/zeroPositiveY.svg b/test/output/zeroPositiveY.svg
index 0f3ef1ed84..a527a0414c 100644
--- a/test/output/zeroPositiveY.svg
+++ b/test/output/zeroPositiveY.svg
@@ -1,4 +1,4 @@
-<svg class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" class="plot" fill="currentColor" font-family="system-ui, sans-serif" font-size="10" text-anchor="middle" width="640" height="400" viewBox="0 0 640 400">
   <style>
     :where(.plot) {
       --plot-background: white;