Language definitions for various languages used on Commodore 8 bit computers.
Copy the *.lang files to one of the following locations:
- /usr/share/gtksourceview-4/language-specs/
- ~/.local/share/gtksourceview-4/language-specs/
Replace 4 with 2.0 or 3.0 in the path for GtkSourceView version 2 or version 3.
Run the gedit editor and enjoy syntax highlighting.