" Use only 65 characters per line as given in rfc1855.
setlocal textwidth=65
-" Replace trailing whitespace after quotes.
-silent! %s/\(^>.\+\)\@<=\s\+$//
+" Remove trailing whitespace after quotes.
+silent! %s/\(^>.\{-}\)\@<=\s\+$//
" Remove spaces between quotes (> > to >>).
-silent! %s/^\(>\+\) >/\1>/g
-silent! %s/^\(>\+\) >/\1>/g
-silent! %s/^\(>\+\) >/\1>/g
+silent! %s/^>\+\zs >/>/g
+silent! %s/^>\+\zs >/>/g
+silent! %s/^>\+\zs >/>/g
" Move directly after the headers.
normal gg