There was a redirect put in place; let's follow that. Committed.
Gerald Index: readings.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/readings.html,v retrieving revision 1.254 diff -u -r1.254 readings.html --- readings.html 28 Dec 2016 01:55:36 -0000 1.254 +++ readings.html 22 Jan 2017 20:19:13 -0000 @@ -242,7 +242,7 @@ <br /><a href="http://h21007.www2.hp.com/portal/site/dspp/menuitem.1b39e60a9475acc915b49c108973a801/?chid=6dc55e210a66a010VgnVCM100000275d6e10RCRD#topic_pa_risc_architecture";>PA-RISC</a> is preferred over the older HPPA acronym (Hewlett-Packard Precision Architecture). - <br /><a href="http://parisc-linux.org/documentation/index.html";>http://parisc-linux.org/documentation/index.html</a> + <br /><a href="https://parisc.wiki.kernel.org/index.php/Main_Page";>parisc.wiki.kernel.org</a> is another good source of PA-RISC documention. </li>
