INI files are very simple, but this short definition will make them look a little better. Mathias - you can add this to the next MC build if you want.
<profile name="INI" id="71868d56e6624662a37f6dbc924816ed" ext="INI">
<format themecolor="5" textcolor="-1" backgroundcolor="-1" flags="4352">^[ \t]*;</format>
<format themecolor="0" textcolor="#000000" backgroundcolor="#40e0d0" flags="4352">^[ \t]*\[.*\]</format>
<format themecolor="8" textcolor="-1" backgroundcolor="-1" flags="8193">=</format>
</profile>