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37 lines
875 B
VimL
37 lines
875 B
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: 2022 Jun 05
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command! -nargs=0 MANPAGER call s:ManPager() | delcommand 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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set noswapfile
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setlocal ft=man
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runtime ftplugin/man.vim
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setlocal buftype=nofile bufhidden=hide iskeyword+=: modifiable
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" Emulate 'col -b'
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silent! keepj keepp %s/\v(.)\b\ze\1?//ge
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" Remove ansi sequences
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silent! keepj keepp %s/\v\e\[%(%(\d;)?\d{1,2})?[mK]//ge
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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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setlocal nomodifiable nomodified readonly nowrite
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syntax on
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endfunction
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