VIM highligting

gistfile1.vim

function Matches()
    highlight curword ctermbg=white ctermfg=black cterm=bold gui=bold guibg=darkgrey
    try
        call matchdelete(w:lastmatch)
        unlet w:lastmatch
    catch
    endtry
    silent! let w:lastmatch=matchadd ('curword', printf('\V\<%s\>', escape(expand(''), '/\')), -1)
    highlight eolspace ctermbg=red guibg=red
    2match eolspace /\s\+$/
endfunction
au CursorMoved * exe 'call Matches()'