- Fix doc comments style (mapped to def:note, quite aggressive)
- Fix numbers matching (matched at the end of identifiers)
- Add matching for {|strings without escapes|}
- Keywords:
| - Add a few keywords: nonrec, not; remove obsolete: or
| - Add missing built-in types
- Argument labels:
| - Map style to def:identifier
| - Improve matching: accept spaces and opening parenthesis