- https://code.visualstudio.com/api/language-extensions/syntax-highlight-guide
- https://macromates.com/manual/en/language_grammars
- https://github.com/def-gthill/lexurgy/blob/v1.0.7/src/antlr/sc/Lsc.g4
Package.json: https://code.visualstudio.com/api/references/extension-manifest