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Add option to skip whitespace only lines #73

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Add option to skip whitespace only lines #73

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5 changes: 5 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,11 @@ Whitespace highlighting is enabled by default, with a highlight color of red.
let g:better_whitespace_verbosity=1
```

* To skip lines that contain only whitespace, set the following in your `.vimrc`:
```
let g:better_whitespace_skip_empty_lines=1
```

## Supported Whitespace Characters
Due to the fact that the built-in whitespace character class for patterns (`\s`)
only matches against tabs and spaces, this plugin defines its own list of
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10 changes: 7 additions & 3 deletions plugin/better-whitespace.vim
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Expand Up @@ -41,8 +41,13 @@ call s:InitVariable('g:better_whitespace_verbosity', 0)

" Define custom whitespace character group to include all horizontal unicode
" whitespace characters. Vim's '\s' class only includes ASCII spaces and tabs.
let s:whitespace_group='[\u0009\u0020\u00a0\u1680\u180e\u2000-\u200b\u202f\u205f\u3000\ufeff]'
let s:eol_whitespace_pattern = s:whitespace_group . '\+$'
let s:whitespace_chars='\u0009\u0020\u00a0\u1680\u180e\u2000-\u200b\u202f\u205f\u3000\ufeff'
let s:eol_whitespace_pattern = '[' . s:whitespace_chars . ']\+$'

call s:InitVariable('g:better_whitespace_skip_empty_lines', 0)
if g:better_whitespace_skip_empty_lines == 1
let s:eol_whitespace_pattern = '[^' . s:whitespace_chars . ']\@1<=' . s:eol_whitespace_pattern
endif

" Only init once
let s:better_whitespace_initialized = 0
Expand Down Expand Up @@ -292,4 +297,3 @@ function! <SID>SetupAutoCommands()

augroup END
endfunction