-function! s:KillSignature()
+function! s:KillSignature() abort
call cursor(1, 1)
call search('^[>|] \?-- \?$')
if getpos(".")[1] != 1
autocmd BufRead /tmp/mutt-* call s:KillSignature()
autocmd BufRead /tmp/mutt-* setlocal textwidth=72
+autocmd BufRead /tmp/mutt-* setlocal commentstring=>%s
+autocmd BufRead /tmp/mutt-* silent %substitute /^> */>/e | set nohlsearch