[wwwdocs] Knuth's pages have moved, adjust URLs

Index: readings.html
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RCS file: /cvs/gcc/wwwdocs/htdocs/readings.html,v
retrieving revision 1.239
diff -u -r1.239 readings.html
--- readings.html	27 Jun 2015 19:26:46 -0000	1.239
+++ readings.html	29 Jun 2015 11:30:46 -0000
@@ -209,13 +209,12 @@ 
    [EM-micks].  The number stands for the average of numbers of "14
    actual computers very similar to MMIX".  The name may also be due to a
    predecessor appropriately named MIX.
-   <br />MMIX is used in program examples in <a
-   href="http://www-cs-faculty.stanford.edu/~knuth/">Donald E. Knuth</a>'s
-   <a href="http://www-cs-faculty.stanford.edu/~knuth/taocp.html">The Art
+   <br />MMIX is used in program examples in Donald E. Knuth's
+   <a href="http://www-cs-faculty.stanford.edu/~uno/taocp.html">The Art
    of Computer Programming</a> (ISBN 0-201-89683-4).
-   <br /><a href="http://www-cs-faculty.stanford.edu/~knuth/mmix.html">Knuth's
-   MMIX page</a> has more information about MMIX.  Knuth also wrote a
-   <a href="http://www-cs-faculty.stanford.edu/~knuth/mmixware.html">book
+   <br />The <a href="http://www-cs-faculty.stanford.edu/~uno/mmix.html">MMIX
+   page</a> has more information about MMIX.  Knuth also wrote a
+   <a href="http://www-cs-faculty.stanford.edu/~uno/mmixware.html">book
    specifically about MMIX</a> (MMIXware, ISBN 3-540-66938-8).
  </li>
  
Index: gcc-3.1/changes.html
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RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-3.1/changes.html,v
retrieving revision 1.68
diff -u -r1.68 changes.html
--- gcc-3.1/changes.html	28 Jun 2014 07:45:10 -0000	1.68
+++ gcc-3.1/changes.html	29 Jun 2015 11:30:46 -0000
@@ -256,7 +256,7 @@ 
 
 <ul>
 <li>Hans-Peter Nilsson has contributed a port to <a
-    href="http://www-cs-faculty.stanford.edu/~knuth/mmix.html">MMIX</a>,
+    href="http://www-cs-faculty.stanford.edu/~uno/mmix.html">MMIX</a>,
     the CPU architecture used in new editions of Donald E. Knuth's <em>The
     Art of Computer Programming</em>.</li>
     
Index: projects/prefetch.html
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RCS file: /cvs/gcc/wwwdocs/htdocs/projects/prefetch.html,v
retrieving revision 1.25
diff -u -r1.25 prefetch.html
--- projects/prefetch.html	30 Jan 2011 18:38:35 -0000	1.25
+++ projects/prefetch.html	29 Jun 2015 11:30:46 -0000
@@ -786,14 +786,14 @@ 
 
 <p><a name="ref_11">[11]</a>
 <em>MMIX Op Codes</em>, Don Knuth;
-<a href="http://www-cs-faculty.stanford.edu/~knuth/mmop.html">
-http://www-cs-faculty.stanford.edu/~knuth/mmop.html</a>.</p>
+<a href="http://www-cs-faculty.stanford.edu/~uno/mmop.html">
+http://www-cs-faculty.stanford.edu/~uno/mmop.html</a>.</p>
 
 <p><a name="ref_12">[12]</a>
 <em>The Art of Computer Programming, Fascicle 1: MMIX</em>, Don Knuth,
 Addison Wesley Longman, 2001;
 <a href="http://www-cs-faculty.stanford.edu/~knuth/fasc1.ps.gz">
-http://www-cs-faculty.stanford.edu/~knuth/fasc1.ps.gz</a>.</p>
+http://www-cs-faculty.stanford.edu/~uno/fasc1.ps.gz</a>.</p>
 
 <p><a name="ref_13">[13]</a>
 <em>PA-RISC 2.0 Instruction Set Architecture</em>;