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Building Emacs Major Modes with Tree-sitter: Lessons Learned

Over the past year I’ve been spending a lot of time building Tree-sitter-powered major modes for Emacs – clojure-ts-mode (as co-maintainer), neocaml (from scratch), and asciidoc-mode (also from scratch). Between the three projects I’ve accumulated enough knowledge (and battle scars) to write about the experience.

27 Feb 2026

Bozhidar Batsov

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Building Emacs Major Modes with TreeSitter: Lessons Learned

Over the past year I’ve been spending a lot of time building Tree-sitter-powered major modes for Emacs – clojure-ts-mode (as co-maintainer), neocaml (from scratch), and asciidoc-mode (also from scratch). Between the three projects I’ve accumulated enough knowledge (and battle scars) to write about the experience.

27 Feb 2026

Bozhidar Batsov

Read Article