From d19c5114250aa474d686bd76e06347372898e28b Mon Sep 17 00:00:00 2001
From: Yuan Fu <casouri@gmail.com>
Date: Sun, 26 Apr 2026 22:07:33 -0700
Subject: [PATCH] ; Add heuristic for treesit--update-ranges-non-local

* lisp/treesit.el (treesit--update-ranges-non-local): Treat
language symbols that happens to be a command as just language
symbol, not function.
---
 lisp/treesit.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/treesit.el b/lisp/treesit.el
index 387d2716f5b..2b2740e2fb4 100644
--- a/lisp/treesit.el
+++ b/lisp/treesit.el
@@ -1079,7 +1079,8 @@ returns the ranges to use for that node.
 
 Return updated parsers as a list."
   (let ((ranges-by-lang
-         (if (functionp embed-lang)
+         ;; Filter out functions like `markdown' using `commandp'.
+         (if (and (functionp embed-lang) (not (commandp embed-lang)))
              (treesit-query-range-by-language
               host-parser query embed-lang beg end offset range-fn)
            (list (cons embed-lang