== prettyprinting ==
<tt><nowiki><texcode> ... </texcode></nowiki></tt> prettyprinting TeX source. Use like
<prexmlcode><nowiki><<texcode>
...
<</texcode></nowiki></prexmlcode>
same with <xmlcode>
== inline ConTeXt ==
<prexmlcode><nowiki><<context>
\setupcolors [state=start]
\framed [background=color,
backgroundcolor=green,
offset=1cm ]{hello world!}
<</context></nowiki></prexmlcode> runs ConTeXt on the fly. See also http://live.contextgarden.net/ for an online ConTeXt.