@elextr commented on this pull request.
@@ -178,6 +178,7 @@ static void AddGeanyLexers()
&lmBash, &lmBatch, &lmCaml, + &lmCIL,
`AddGeanyLexers()` is not part of Lexilla, it is added when Lexilla is updated by `scintilla_changes.patch` so you need to add there as well, or you lexer will be unknown and the crash will return on the next Lexilla update.