I have these in my .vimrc, to display and auto-trim trailing whitespace: augroup trailing_whitespace_show autocmd! " Make trailing whitespa

I have these in my .vimrc, to display and auto-trim trailing whitespace: augroup trailing_whitespace_show autocmd! " Make trailing whitespace red. autocmd ColorScheme * highlight ExtraWhitespace ctermbg=red guibg=red autocmd BufWinEnter,InsertEnter,InsertLeave * match ExtraWhitespace /\s\+$/ " Can slow things down, but show trailing whitespace as red while typing. autocmd InsertCharPre * match ExtraWhitespace /\s\+$/ augroup END augroup trailing_whitespace_kill autocmd! " Delete all trailing whitespace on-save. autocmd FileWritePre,FileAppendPre,FilterWritePre,BufWritePre * \ let w:wv = winsaveview() | \ :%s/\s\+$//e | \ call winrestview(w:wv) augroup END