...which apparently has gone the way of the dodo. Applied.
Gerald Index: readings.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/readings.html,v retrieving revision 1.263 diff -u -r1.263 readings.html --- readings.html 25 Feb 2017 16:01:18 -0000 1.263 +++ readings.html 25 Feb 2017 16:19:56 -0000 @@ -629,7 +629,7 @@ <li><a href="http://researchweb.watson.ibm.com/journal/">IBM Journal of Research and Development</a></li> - <li><a href="http://refspecs.freestandards.org/elf/elfspec_ppc.pdf">System + <li><a href="http://refspecs.linux-foundation.org/elf/elfspec_ppc.pdf">System V PowerPC ABI</a></li> <li><a href="http://www.arm.com/products/DevTools/ABI.html">Application Binary Interface for the ARM Architecture (EABI)</a></li>