That was an interesting one to find and understand: this was not supposed to be a link, but setting of an anchor.
Fix <a href> vs <a name> confusion in codingrationale.html; applied. Gerald Index: codingrationale.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/codingrationale.html,v retrieving revision 1.1 diff -u -3 -p -r1.1 codingrationale.html --- codingrationale.html 16 Jul 2012 19:51:44 -0000 1.1 +++ codingrationale.html 6 Sep 2012 02:52:54 -0000 @@ -348,7 +348,7 @@ but the clarity in layout persists. <h3>Formatting Conventions</h3> -<h4><a href="names">Names</a></h4> +<h4><a name="names">Names</a></h4> <p> Naming data members with a trailing underscore