From 39bb5d7ca233a9a5ab81fce7e6a5e2c83cdaff9d Mon Sep 17 00:00:00 2001
From: Eisuke Kawashima <e.kawaschima+github@gmail.com>
Date: Tue, 24 Mar 2026 18:17:02 +0900
Subject: [PATCH] fix(runtime): stop treesitter highlight in b:undo_ftplugin
 #38459

Co-authored-by: Eisuke Kawashima <e-kwsm@users.noreply.github.com>
---
 runtime/ftplugin/markdown.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/runtime/ftplugin/markdown.lua b/runtime/ftplugin/markdown.lua
index 1f42ff4d61..beea4bea7b 100644
--- a/runtime/ftplugin/markdown.lua
+++ b/runtime/ftplugin/markdown.lua
@@ -12,5 +12,6 @@ vim.keymap.set('n', '[[', function()
 end, { buf = 0, silent = false, desc = 'Jump to previous section' })
 
 vim.b.undo_ftplugin = (vim.b.undo_ftplugin or '')
+  .. '\n call v:lua.vim.treesitter.stop()'
   .. '\n sil! exe "nunmap <buffer> gO"'
   .. '\n sil! exe "nunmap <buffer> ]]" | sil! exe "nunmap <buffer> [["'