DOC: Change extract-text.md example codes from using cm to tm #2432
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TL;DR
Fixes #2431
Changed
cm
(current_matrix) totm
(text matrix).Problem
In the extract-text documentation here, the example codes that are used won't produce the correct output.
For example, the first code snippet should output the text of table of contents, but it outputs nothing. The second code snippet is supposed to convert page 4 from the PDF to a SVG, including the text, but it only outputs empty fields.
Reason
The coordination process should be using the text matrix instead of current matrix.
Solution/update
Just changed the
cm
totm
in the code snippets.