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9d85d4dcf9
fixes: #15103 closes: #15106 Signed-off-by: Enno <Konfekt@users.noreply.github.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
51 lines
1.3 KiB
VimL
51 lines
1.3 KiB
VimL
" Vim plugin for using Vim as manpager.
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" Maintainer: Enno Nagel <ennonagel+vim@gmail.com>
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" Last Change: 2024 Jul 03
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if exists('g:loaded_manpager_plugin')
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finish
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endif
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let g:loaded_manpager_plugin = 1
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" Set up the current buffer (likely read from stdin) as a manpage
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command MANPAGER call s:ManPager()
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function s:ManPager()
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" global options, keep these to a minimum to avoid side effects
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if &compatible
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set nocompatible
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endif
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if exists('+viminfofile')
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set viminfofile=NONE
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endif
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syntax on
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" Ensure text width matches window width
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setlocal foldcolumn& nofoldenable nonumber norelativenumber
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" In case Vim was invoked with -M
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setlocal modifiable
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" Emulate 'col -b'
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exe 'silent! keepj keepp %s/\v(.)\b\ze\1?//e' .. (&gdefault ? '' : 'g')
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" Remove ansi sequences
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exe 'silent! keepj keepp %s/\v\e\[%(%(\d;)?\d{1,2})?[mK]//e' .. (&gdefault ? '' : 'g')
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" Remove empty lines above the header
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call cursor(1, 1)
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let n = search(".*(.*)", "c")
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if n > 1
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exe "1," . n-1 . "d"
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endif
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" Finished preprocessing the buffer, prevent any further modifications
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setlocal nomodified nomodifiable
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" Make this an unlisted, readonly scratch buffer
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setlocal buftype=nofile noswapfile bufhidden=hide nobuflisted readonly
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" Set filetype to man even if ftplugin is disabled
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setlocal filetype=man
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runtime ftplugin/man.vim
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endfunction
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