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man.vim: Avoid empty argument when MANWIDTH is set. (#5882)

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Marcus Fritzsch 2017-01-06 00:20:22 +01:00 committed by Justin M. Keyes
parent 1fbee630a8
commit afa7f42f77
1 changed files with 3 additions and 2 deletions
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5
runtime/autoload/man.vim
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@ -113,10 +113,11 @@ function! s:system(cmd, ...) abort
endfunction
function! s:get_page(path) abort
" Respect $MANWIDTH or default to window width.
let manwidth = empty($MANWIDTH) ? winwidth(0) : $MANWIDTH
" Force MANPAGER=cat to ensure Vim is not recursively invoked (by man-db).
" http://comments.gmane.org/gmane.editors.vim.devel/29085
" Respect $MANWIDTH, or default to window width.
return s:system(['env', 'MANPAGER=cat', (empty($MANWIDTH) ? 'MANWIDTH='.winwidth(0) : ''), 'man', a:path])
return s:system(['env', 'MANPAGER=cat', 'MANWIDTH='.manwidth, 'man', a:path])
endfunction
function! s:put_page(page) abort