" bounce verbosely between autoformat and not
let autoformat_mode = 0
function! ToggleAutoformat()
	if g:autoformat_mode == 0
		setlocal fo+=an
		let g:autoformat_mode = 1
		echo "autoformat mode on"
	else
		setlocal fo-=an
		let g:autoformat_mode = 0
		echo "autoformat mode OFF"
	endif
	return
endfunction

if has("autocmd")
	autocmd FileType mail nmap f :ToggleAutoformat()
endif