wikitopian

augroup wspace
	autocmd!
	" Visual warning about trailing whitespace
	highlight ExtraWhitespace ctermbg=red guibg=red
	match ExtraWhitespace /\s\+$/
	autocmd BufWinEnter * match ExtraWhitespace /\s\+$/
	autocmd InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
	autocmd InsertLeave * match ExtraWhitespace /\s\+$/
	autocmd BufWinLeave * call clearmatches()
augroup END