codekingpro/portable-devtools

1" Vim plugin for using Vim as manpager.2" Maintainer: Enno Nagel <ennonagel+vim@gmail.com>3" Last Change: 2024 Jul 034" 2026 Mar 22 by Vim Project: strip OSC 9 sequences (#19787)5" 2026 Mar 24 by Vim Project: strip Bell char: Ctrl-G (#19807)6 7if exists('g:loaded_manpager_plugin')8  finish9endif10let g:loaded_manpager_plugin = 111 12" Set up the current buffer (likely read from stdin) as a manpage13command MANPAGER call s:ManPager()14 15function s:ManPager()16  " global options, keep these to a minimum to avoid side effects17  if &compatible18    set nocompatible19  endif20  if exists('+viminfofile')21    set viminfofile=NONE22  endif23  syntax on24 25  " Ensure text width matches window width26  setlocal foldcolumn& nofoldenable nonumber norelativenumber27 28  " In case Vim was invoked with -M29  setlocal modifiable30 31  " Emulate 'col -b'32  exe 'silent! keepj keepp %s/\v(.)\b\ze\1?//e' .. (&gdefault ? '' : 'g')33 34  " Remove ansi sequences35  exe 'silent! keepj keepp %s/\v\e\[%(%(\d;)?\d{1,2})?[mK]//e' .. (&gdefault ? '' : 'g')36 37  " Remove OSC 8 hyperlink sequences: \e]8;;...\e\ or \e]8;;...<BEL>38  exe 'silent! keepj keepp %s/\v\e\]8;[^\x07\e]*%(%x07|\e\\)//e' .. (&gdefault ? '' : 'g')39 40  " Remove empty lines above the header41  call cursor(1, 1)42  let n = search(".*(.*)", "c")43  if n > 144    exe "1," . n-1 . "d"45  endif46 47  " Finished preprocessing the buffer, prevent any further modifications48  setlocal nomodified nomodifiable49 50  " Make this an unlisted, readonly scratch buffer51  setlocal buftype=nofile noswapfile bufhidden=hide nobuflisted readonly52 53  " Set filetype to man even if ftplugin is disabled54  setlocal filetype=man55  runtime ftplugin/man.vim56endfunction57