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patch 9.1.1186: filetype: help files in git repos are not detected

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Problem:  filetype: help files in git repos are not detected
Solution: detect */doc/*.txt files as help if they end with a help
          modeline, even if 'modeline' is off

Here's how I checked that this would still detect vim's own help files
correctly:

$ find . -type f -path '*/doc/*.txt' \
> -exec awk '{ } ENDFILE { print FILENAME ":" $0; }' '{}' + |
> grep -v 'vim:.*\<\(ft\|filetype\)=help\>'
./src/libvterm/doc/seqs.txt: 23    DECSM 42         = DECNRCM, national/multinational character

closes: #16817

Signed-off-by: David Mandelberg <david@mandelberg.org>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
David Mandelberg
2025-03-08 17:21:16 +01:00
committed by Christian Brabandt
parent ce4f9d2a10
commit 16d6fff98e
4 changed files with 27 additions and 8 deletions
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9
runtime/filetype.vim
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@ -1,7 +1,7 @@
" Vim support file to detect file types
"
" Maintainer: The Vim Project <https://github.com/vim/vim>
" Last Change: 2025 Mar 06
" Last Change: 2025 Mar 08
" Former Maintainer: Bram Moolenaar <Bram@vim.org>
" Listen very carefully, I will say this only once
@ -51,8 +51,11 @@ func s:StarSetf(ft)
endif
endfunc
" Vim help file
au BufNewFile,BufRead $VIMRUNTIME/doc/*.txt setf help
" Vim help file, set ft explicitly, because 'modeline' might be off
au BufNewFile,BufRead */doc/*.txt
\ if getline('$') =~ 'vim:.*\<\(ft\|filetype\)=help\>'
\| setf help
\| endif
" Abaqus or Trasys
au BufNewFile,BufRead *.inp call dist#ft#Check_inp()