4.3BSD/usr/contrib/mh/miscellany/netnews/rninit

'To: %f\\n\
Cc: %L\\n\
Subject: Re: %S\\n\
In-Reply-To: Your message of %[date]\\n\
             %i\\n\
%(%[references]!=^\$?References\\: %[references]\\n)\
Newsgroups: %n\\n-------\\n'