Re: [OT] Vim highlighting for trailing spaces

[Michael Tokarev <mjt@tls.msk.ru>]

Kyle Moffett wrote:
> On Jun 28, 2007, at 03:20:24, Dave Young wrote:
>> And for vim trailing space, there's a tip in vim.org:
>> http://www.vim.org/tips/tip.php?tip_id=878
> 
> I actually prefer this (in .vimrc):
> 
> " Show trailing whitespace and spaces before tabs
> hi link localWhitespaceError Error
> au Syntax * syn match localWhitespaceError /\(\zs\%#\|\s\)\+$/ display
> au Syntax * syn match localWhitespaceError / \+\ze\t/ display
> 
> It always displays trailing whitespace and spaces-before tabs... except
> if your cursor is at the end of the whitespace.  The updating is
> occasionally a bit laggy (EG: Put spaces on a line and then move the
> cursor off it without pressing <ENTER>), but when you hit Ctrl-L, enter,
> or edit an adjacent line then it updates.

Stolen from an old message in LKML - I don't remember who's the author:

highlight WhitespaceEOL ctermbg=red guibg=red
match WhitespaceEOL /\s\+$/

Works without any glitches here (not "laggy").  But I don't use
syntax coloring - never tried if it works with coloring or not.

/mjt