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TOML

toml-mode is a major mode for editing TOML configuration files.

It features:

  • Syntax highlighting via tree-sitter with TextMate fallback
    • full coverage of TOML v1.0.0 syntax elements.
  • Automatic mode activation for .toml files (e.g., Cargo.toml, pyproject.toml)
  • Line comment support using # character
  • Consistent visual appearance with yaml-mode and json-mode

Usage 

;; Load the mode
(ql:quickload :lem-toml-mode)

;; Mode activates automatically for .toml files
;; Or manually: M-x toml-mode

AI Usage Disclosure

Did you use LLMs/AI tools for this PR?

  • No, this is 100% human-authored.
  • Yes, AI-assisted (Human-led logic, AI-assisted implementation).
  • Yes, AI-generated (Logic primarily derived from prompt/vibe).

Tooling Used: Claude Code (Claude Opus 4.5)