Feature Vision Discussion: Syntax Highlighting

This issue is part of the larger vision discussion managed in #63 to brainstorm and prioritize ideas around features that would make reedline as a line editor for you both viable as well as pleasant to use. Feel free to up-vote features you depend on in other tools/shells as well as suggest new ideas!

Syntax Highlighting Features

• Ability to define word-types to highlight as you type and continue coloring even in failure modes
  • Keywords
  • Commands
  • External Commands
  • Bareword
  • Punctuation
  • Sub-Commands
  • Braces {}, Brackets [], Parentheses ()
  • Error modes
  • Operators
  • Paths
  • Pipe
  • Arguments/Flags
  • Variables
  • Comments
  • DataTypes (strings, int, datetime, duration, bool, units, etc)
  • Other
• Ability to have add things you want syntax highlighted through extensibility

Start with the larger vision discussion in issue #63 and review the syntax-highlighting checklist here. Define a focused scope for one unchecked highlighting capability, including how extensibility should work and what completion criteria would be. No source files or tests are identified in the issue.