From 8af9f8ab5ecd59df52aed9019e8ecc9f8101ee7d Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Tue, 8 Apr 2025 08:13:12 +0800
Subject: vim-patch:9.1.1286: filetype: help files not detected when
 'iskeyword' includes ":" (#33377)

Problem:  Help files not detected when 'iskeyword' includes ":".
Solution: Do not use \< and \> in the pattern (zeertzjq).

fixes: vim/vim#17069
closes: vim/vim#17071

https://github.com/vim/vim/commit/e370141bf41919642061ee2e78340dca84678712
---
 runtime/lua/vim/filetype.lua | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

(limited to 'runtime/lua/vim')

diff --git a/runtime/lua/vim/filetype.lua b/runtime/lua/vim/filetype.lua
index 64d39bab0a..832af32612 100644
--- a/runtime/lua/vim/filetype.lua
+++ b/runtime/lua/vim/filetype.lua
@@ -2429,8 +2429,26 @@ local pattern = {
     ['^%.?gtkrc'] = starsetf('gtkrc'),
     ['/doc/.*%.txt$'] = function(_, bufnr)
       local line = M._getline(bufnr, -1)
-      local ml = line:find('^vim:') or line:find('%svim:')
-      if ml and M._matchregex(line:sub(ml), [[\<\(ft\|filetype\)=help\>]]) then
+      if
+        M._findany(line, {
+          '^vim:ft=help[:%s]',
+          '^vim:ft=help$',
+          '^vim:filetype=help[:%s]',
+          '^vim:filetype=help$',
+          '^vim:.*[:%s]ft=help[:%s]',
+          '^vim:.*[:%s]ft=help$',
+          '^vim:.*[:%s]filetype=help[:%s]',
+          '^vim:.*[:%s]filetype=help$',
+          '%svim:ft=help[:%s]',
+          '%svim:ft=help$',
+          '%svim:filetype=help[:%s]',
+          '%svim:filetype=help$',
+          '%svim:.*[:%s]ft=help[:%s]',
+          '%svim:.*[:%s]ft=help$',
+          '%svim:.*[:%s]filetype=help[:%s]',
+          '%svim:.*[:%s]filetype=help$',
+        })
+      then
         return 'help'
       end
     end,
-- 
cgit