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diff --git a/.emacs.d/lisp/rust-mode-treesitter.el b/.emacs.d/lisp/rust-mode-treesitter.el
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+;;; rust-mode-treesitter.el --- use native rust-ts-mode -*-lexical-binding: t-*-
+;;; Commentary:
+
+;; Derive from rust-ts-mode instead of prog-mode
+
+;;; Code:
+
+(when (version<= "29.1" emacs-version)
+  ;; We have the when macro because of
+  ;; https://github.com/rust-lang/rust-mode/issues/520
+  (require 'treesit)
+  (require 'rust-ts-mode)
+  (require 'rust-common)
+
+  (define-derived-mode rust-mode rust-ts-mode "Rust"
+    "Major mode for Rust code.
+
+\\{rust-mode-map}"
+    :group 'rust-mode
+
+    (add-hook 'before-save-hook rust-before-save-hook nil t)
+    (add-hook 'after-save-hook rust-after-save-hook nil t)))
+
+(provide 'rust-mode-treesitter)
+;;; rust-mode-treesitter.el ends here