From 4533c40786a68d57b878babd46ea70e761392cf0 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Tue, 11 Mar 2025 06:23:12 +0800
Subject: vim-patch:9.1.1194: filetype: false positive help filetype detection

Problem:  filetype: false positive help filetype detection
Solution: Only detect a file as help if modeline appears either at start
          of line or is preceded by whitespace (zeertzjq).

closes: vim/vim#16845

https://github.com/vim/vim/commit/6763b0ee95e7e66ab7992653fbba48691e803e70
---
 runtime/lua/vim/filetype.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'runtime/lua/vim')

diff --git a/runtime/lua/vim/filetype.lua b/runtime/lua/vim/filetype.lua
index 4c6b3b108f..b2ddd461cc 100644
--- a/runtime/lua/vim/filetype.lua
+++ b/runtime/lua/vim/filetype.lua
@@ -2417,7 +2417,7 @@ local pattern = {
     ['^%.?gtkrc'] = starsetf('gtkrc'),
     ['/doc/.*%.txt$'] = function(_, bufnr)
       local line = M._getline(bufnr, -1)
-      local ml = line:find('vim:')
+      local ml = line:find('^vim:') or line:find('%svim:')
       if ml and M._matchregex(line:sub(ml), [[\<\(ft\|filetype\)=help\>]]) then
         return 'help'
       end
-- 
cgit