patch 9.0.1601: filetype detection fails for *.conf file without comments Commit: https://github.com/vim/vim/commit/664fd12aa27a3c6bd19cfa474c4630d6c03fcc61 Author: zeertzjq <zeertzjq@outlook.com> Date: Sat Jun 3 17:56:30 2023 +0100 patch 9.0.1601: filetype detection fails for *.conf file without comments Problem: Filetype detection fails for *.conf file without comments. (Dmitrii Tcyganok) Solution: Use "conf" filetype as a fallback for an empty .conf file. (closes #12487, closes #12483)

" Vim filetype plugin file
" Language:	    DocBook
" Maintainer:	    Nikolai Weibull <now@bitwi.se>
" Latest Revision:  2012-04-25

if exists('b:did_ftplugin')
  finish
endif

if !exists('b:docbk_type')
  if expand('%:e') == 'sgml'
    let b:docbk_type = 'sgml'
  else
    let b:docbk_type = 'xml'
  endif
endif

if b:docbk_type == 'sgml'
  runtime! ftplugin/sgml.vim ftplugin/sgml_*.vim ftplugin/sgml/*.vim
else
  runtime! ftplugin/xml.vim ftplugin/xml_*.vim ftplugin/xml/*.vim
endif

let b:undo_ftplugin = "unlet! b:docbk_type"