--- a/mail.rst	Sun Mar 07 12:57:03 2010 +0200
+++ b/mail.rst	Sun Mar 07 13:00:35 2010 +0200
@@ -9,7 +9,7 @@
   to              =       "To:" address-list CRLF
   cc              =       "Cc:" address-list CRLF
   bcc             =       "Bcc:" (address-list / [CFWS]) CRLF
-
+  newsgroups
 
   http://tools.ietf.org/rfc//rfc2076.txt
                 Common Internet Message Headers, Informational