Good evening,
The developer of the ConTeXt environment (Hans Hagen at pragma-ade.com) uses Scite as his main editor. He built a whole set of lexers for this, which enables Scite to make highlighting for all the different languages used inside ConTeXt e.g. TeX as ConTeXT, Lua, Metapost. So because Geany’s lexing is also based on Scintilla I asked myself whether it would be possible to learn Geany to use those lexers.
Kind regards
Willi