%|\
%(lit)%(formataddr %<{mail-reply-to}%?{reply-to}%?{from}%?{sender}%?{return-path}%>)\
%<(nonnull)%(void(width))%(putaddr To: )\n%>\
%|\
%(lit)%(formataddr %<{mail-reply-to}%?{reply-to}%?{from}%?{sender}%?{return-path}%>)\
%<(nonnull)%(void(width))%(putaddr To: )\n%>\