Updated the template for Pandoc and slightly improved the manual

doc/Makefile

@@ -1,6 +1,9 @@
-crossrefenum.pdf: crossrefenum.md ../CHANGELOG.md \
-				TEMPLATE_crossrefenum.context fixes.lua
-	pandoc -o crossrefenum.pdf --pdf-engine=context \
+crossrefenum.pdf: crossrefenum-doc.tex
+	context $< && mv crossrefenum-doc.pdf $@
+
+crossrefenum-doc.tex: crossrefenum.md ../CHANGELOG.md \
+					TEMPLATE_crossrefenum.context fixes.lua
+	pandoc -s -o $@ -t context \
 		--template=TEMPLATE_crossrefenum.context \
 		-L fixes.lua \
 		crossrefenum.md ../CHANGELOG.md

doc/TEMPLATE_crossrefenum.context

@@ -88,6 +88,10 @@ intent=ISO coated v2 300\letterpercent\space (ECI)]
 \setuplist[subsection][margin=3em, width=3em]
 \setuplist[subsubsection][margin=6em, width=4em]
 
+$if(highlighting-commands)$
+$highlighting-commands$
+$endif$
+
 \starttext
 
 \starttitlepagemakeup

doc/crossrefenum.md

@@ -230,7 +230,9 @@ if this feature were not already included in _crossrefenum_.
 \crfnm@newListFrom[\crfnm@doubleRefTypes][\crfnm@pageline] -> \crfnm@doubleRefTypes
 \crfnm@newListFrom[\crfnm@supportedTypes][\crfnm@line] -> \crfnm@supportedTypes
 \crfnm@newListFrom[\crfnm@supportedTypes][\crfnm@pageline] -> \crfnm@supportedTypes
+```
 
+```{.tex}
 %% For the double types, set the primary and the secondary type.
 %% The primary type corresponds to the widest typographic unit
 %% (“page” for “pagenote”, “section” for “sectionpage”...).
@@ -253,7 +255,9 @@ if this feature were not already included in _crossrefenum_.
 %% Required
 \def\crfnmLine{l.~}
 \def\crfnmLines{ll.~}
+```
 
+```{.tex}
 %% If it differs from the defaults.
 \def\crfnmCollapsable{yes}
 \def\crfnmLineBeforeLastInSecond{, }
@@ -263,7 +267,7 @@ if this feature were not already included in _crossrefenum_.
 \def\crfnmLinePrintPrefixInSecond{no}
 ```
 
-Adding support to yet unsupported formats is far less trivial,
+Adding support for additional formats is far less trivial,
 not least because most of them do not provide a straightforward way
 to get reference numbers via purely expandable macros,
 which is required for _crossrefenum_ to perform its calculations.