Index: htdocs/codingconventions.html
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RCS file: /cvs/gcc/wwwdocs/htdocs/codingconventions.html,v
retrieving revision 1.77
diff -u -p -r1.77 codingconventions.html
--- htdocs/codingconventions.html	18 Sep 2016 13:55:17 -0000	1.77
+++ htdocs/codingconventions.html	14 Oct 2016 21:22:44 -0000
@@ -902,7 +902,10 @@ Its use with data-carrying classes is mo
 <p>
 Think carefully about the size and performance impact
 of virtual functions and virtual bases
-before using them.
+before using them.  If you do use virtual functions, use the
+<code>OVERRIDE</code> and <code>FINAL</code> macros from
+<code>include/ansidecl.h</code> to annotate the code for a human reader,
+and to allow sufficiently modern C++ compilers to detect mistakes.
 </p>
 
 <p>