Godot has been doing a tour de force lately as an open source alternative to Unity. Add support for the growing [Godot](https://github.com/godotengine/godot) engine's GDScript.
Heavily borrowed from python due to GDScript's syntax being heavily borrowed from python. To note, the language is undergoing some breaking changes that will take effect when godot 4 releases, this already should account for syntactical changes and I've already classified some number of currently-keywords as builtins even though godot 4 isn't released yet.
A little test file that I used to make sure I didn't completely break it while making the changes for the things that are different between python and gdscript: 
And the prerequisite upstream pull requests: https://github.com/ScintillaOrg/lexilla/pull/41 https://github.com/universal-ctags/ctags/pull/3194 You can view, comment on, or merge this pull request online at:
https://github.com/geany/geany/pull/3012
-- Commit Summary --
* Add GDScript file type
-- File Changes --
M ctags/Makefile.am (1) A ctags/parsers/geany_gdscript.c (784) M data/Makefile.am (1) A data/filedefs/filetypes.gdscript (73) M data/filetype_extensions.conf (1) M scintilla/Makefile.am (1) M scintilla/lexilla/include/LexicalStyles.iface (2) M scintilla/lexilla/include/SciLexer.h (1) A scintilla/lexilla/lexers/LexGDScript.cxx (699) M scintilla/lexilla/src/Lexilla.cxx (3) M scintilla/scintilla_changes.patch (1) M src/filetypes.c (1) M src/filetypes.h (1) M src/highlighting.c (10) M src/highlightingmappings.h (29) M src/symbols.c (1) M src/tagmanager/tm_parser.c (11) M src/tagmanager/tm_parser.h (1) M src/tagmanager/tm_parsers.h (3)
-- Patch Links --
https://github.com/geany/geany/pull/3012.patch https://github.com/geany/geany/pull/3012.diff