[wwwdocs] Patch for Re: _contribute.html_: missing information regarding feedback procedure

[Gerald Pfeifer <gerald at pfeifer dot com>]

On Fri, 10 May 2013, Jonathan Wakely wrote:
>> At the very bottom of the above page (http://gcc.gnu.org/contribute.html),
>> there is no indication of GCC only accepting *plain text* messages.
> That would belong on http://gcc.gnu.org/lists.html but it could be
> improved, as it only says "Please refrain from sending messages in
> HTML, RTF or similar formats."

Good feedback.  I just applied the clarification below which also
makes some surrounding text a little bit shorter.

Gerald

Index: lists.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/lists.html,v
retrieving revision 1.111
diff -u -r1.111 lists.html
--- lists.html	1 Jul 2014 16:02:44 -0000	1.111
+++ lists.html	31 Aug 2014 16:31:11 -0000
@@ -157,11 +157,11 @@
 <p>We have a strong policy of not editing the web archives.</p>
 
 <p>When posting messages, please select an appropriate list for the message
-and try to avoid cross posting a message to several lists.</p>
+and try to avoid cross posting to several lists.</p>
 
-<p>Please refrain from sending messages in HTML, RTF or similar formats.</p>
+<p>Please send plain text (as opposed to HTML, RTF,...).</p>
 
-<p id="confidential">Please do not include or reference confidentiality
+<p id="confidential">Do not include or reference confidentiality
 notices, like:</p>
 <blockquote>
 	<p>The referring document contains privileged and confidential