merge minor doc bug fixes

esper/doc/reference/src/main/docbook/en-US/modules/appendix_outputlimit.xml

@@ -28,7 +28,7 @@
 		</para>
 
 		<para>
-			Please see <xref linkend="processingmodel_aggregation_output"/> for information on the types of queries discussed below.
+			Please see <xref linkend="processingmodel_aggregation"/> for information on the types of queries discussed below.
 		</para>
 
 		<sect1 xml:id="epl-output-unaggandungrouped">

esper/doc/reference/src/main/docbook/en-US/modules/appendix_outputspec.xml

@@ -20,7 +20,7 @@
 
 	<para>
 		The chapters are organized by the type of query: The presence or absence of aggregation functions, as well as the presence or absence of a <literal>group by</literal> clause change statement output as 
-		described in <xref linkend="processingmodel_aggregation_output"/>.
+		described in <xref linkend="processingmodel_aggregation"/>.
 	</para>       
 
 	<para>

esper/doc/reference/src/main/docbook/en-US/modules/epl_clauses.xml

@@ -2000,7 +2000,7 @@ from ProductEvent as prod, OrderEvent as ord]]></programlisting>
 			</para>
 			<para>
 				Place expressions that remove unwanted events into parenthesis right after the event type, like <literal>... from OrderEvent(fraud.severity = 5 and amount > 500) ...</literal>. 
-				There is related information at <xref linkend="processingmodel_filter"/> and <xref linkend="perf-tips-5"/>.
+				There is related information at <xref linkend="processingmodel_indexes_filterindexes"/> and <xref linkend="perf-tips-5"/>.
 			</para>
 		</tip>
 
@@ -2539,7 +2539,7 @@ c
 
 			<para>
 				The presence of <literal>group_by</literal> aggregation function parameters, the grouping expressions as well as the <literal>group-by</literal> clause 
-				determine the number of output rows for queries as further described in <xref linkend="processingmodel_aggregation_output"/>.
+				determine the number of output rows for queries as further described in <xref linkend="processingmodel_aggregation"/>.
 			</para>
 
 			<para>
@@ -3149,7 +3149,7 @@ select symbol, sum(price) from StockTickEvent#groupwin(symbol)#length(10)</progr
 				<itemizedlist spacing="compact">
 					<listitem>
 						<para>
-							When no keyword is specified, the engine produces an output row for each row in the batch or when using group-by then an output per group only for those groups present in the batch, following <xref linkend="processingmodel_aggregation_output"/>.
+							When no keyword is specified, the engine produces an output row for each row in the batch or when using group-by then an output per group only for those groups present in the batch, following <xref linkend="processingmodel_aggregation"/>.
 						</para>
 					</listitem>
 					<listitem>

esper/doc/reference/src/main/docbook/en-US/modules/functionreference.xml

@@ -2254,7 +2254,7 @@ having leaving()</programlisting>
 									recent values in data windows with a large number of events without incurring excessive overhead.
 								</para>
 								<para>
-									As compared to the <literal>prev</literal> row function, this aggregation function works within the current <literal>group by</literal> group, see <xref linkend="processingmodel_aggregation_output"/>.
+									As compared to the <literal>prev</literal> row function, this aggregation function works within the current <literal>group by</literal> group, see <xref linkend="processingmodel_aggregation"/>.
 								</para>
 								<para>
 									This statement outputs every 2 seconds the groups that have new data and their last price and the previous-to-last price: