Nathan

### Problem When word is set to a rule which contains a choice `tree-sitter generate` panics. ``` $ ./tree-sitter-linux-x64 generate thread 'main' panicked at cli/generate/src/prepare_grammar/extract_tokens.rs:169:18: Failed to find a variable...

bug: Incorrect parsing on function typedef

3

### Did you check existing issues? - [ ] I have read all the [tree-sitter docs](https://tree-sitter.github.io/tree-sitter/using-parsers) if it relates to using the parser - [X] I have searched the existing...

Fix no-unknown typo

1

Fixes a typo in the no-unknown diagnostic message.

No unknown operations diagnostic

1

Adds diagnostic to prevent operations which result in an unknown value. Differences with no-unknown diagnostic is that no-unknown is when the type of a binding cannot be inferred whereas this...

Missing export doc

1

Adds missing documentation for general (non local function) exports, needs `./tools/locale.lua` and `./tools/build-doc.lua` run.

Unannotated local function diagnostic

2

Currently you can check this for global functions and exported locals but not normal locals. This adds this (disabled by default).