2015-03-02 17:58:40 +01:00
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" Trailing spaces and visible tabs
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"
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" Trailing spaces are visible in normal or visual mode, but hidden in insert
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2020-12-07 15:04:39 +01:00
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" mode. All whitespace can be made visible using <Leader>ow
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2015-03-02 17:58:40 +01:00
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2020-12-07 15:04:39 +01:00
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let s:Settings = {
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\ 'tab' : [ " " , "» " ] ,
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\ 'nbsp' : [ " " , "⚠" ] ,
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\ 'space' : [ " " , "·" ] ,
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\ 'eol' : [ " " , "¶" ] ,
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\ }
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2015-03-02 17:58:40 +01:00
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let s:VisibleTabs = 0
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function! s:UpdateListChars(type,value)
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let lc = filter( split( &l:listchars , "," ) , "v:val !~ '^" . a:type . ":'" ) + [ a:type . ":" . a:value ]
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let &l:listchars = join( lc , "," )
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endfunction
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2020-12-07 15:04:39 +01:00
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function! s:ApplyWhitespaceSettings()
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for k in keys(s:Settings)
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call s:UpdateListChars( k , s:Settings[k][s:VisibleTabs] )
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endfor
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endfunction
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function! <SID>ToggleVisibleWhitespace()
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let s:VisibleTabs = 1 - s:VisibleTabs
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call s:ApplyWhitespaceSettings()
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2015-03-02 17:58:40 +01:00
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endfunction
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2020-12-07 15:04:39 +01:00
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set list
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set listchars=""
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call s:ApplyWhitespaceSettings()
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nnoremap <silent> <Leader>ow :call <SID>ToggleVisibleWhitespace()<cr>
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2015-03-02 17:58:40 +01:00
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augroup TrailingWhitespace
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autocmd!
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autocmd InsertEnter * :call <SID>UpdateListChars( "trail" , " " )
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autocmd InsertLeave * :call <SID>UpdateListChars( "trail" , "•" )
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augroup END
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