fix more broken markdown links

Fixed stuff we broke by mistake, previously.

Ran `make www` to perform the above.

TODO: Fix stuff we broke by mistake doing the above.

TODO: Fix more broken markdown links.

2012/hou/README.md

@@ -132,7 +132,7 @@ As an extra tweak, the text message actually does something useful. Remove the
 
 [^1]: [Russ Cox, Regular Expression Matching: the Virtual Machine Approach](http://swtch.com/~rsc/regexp/regexp2.html)
 
-[^2]: [Regular Expression Matching Can Be Simple And Fast (but is slow in Java, Perl, PHP, Python, Ruby, ...)](http://swtch.com/~rsc/regexp/regexp1.html)
+[^2]: [Regular Expression Matching Can Be Simple And Fast (but is slow in Java, Perl, PHP, Python, Ruby, ...](http://swtch.com/~rsc/regexp/regexp1.html)
 
 
 <!--

2012/hou/hint.html

@@ -460,7 +460,7 @@ amount of spaghetti branches and virtual thread creations. Finally, the VM in
 “Make a contract with me” catch line and the program would cease to function.</p>
 <h3 id="references">References</h3>
 <p>[1] <a href="http://swtch.com/~rsc/regexp/regexp2.html">Russ Cox, Regular Expression Matching: the Virtual Machine Approach</a></p>
-<p>[2] <a href="http://swtch.com/~rsc/regexp/regexp1.html">Regular Expression Matching Can Be Simple And Fast (but is slow in Java, Perl, PHP, Python, Ruby, …)</a></p>
+<p>[2] <a href="http://swtch.com/~rsc/regexp/regexp1.html">Regular Expression Matching Can Be Simple And Fast (but is slow in Java, Perl, PHP, Python, Ruby, …</a></p>
 <hr style="width:10%;text-align:left;margin-left:0">
 <p>Jump to: <a href="#">top</a></p>
 <!--

2012/hou/hint.md

@@ -129,7 +129,7 @@ As an extra tweak, the text message actually does something useful. Remove the
 
 [1] [Russ Cox, Regular Expression Matching: the Virtual Machine Approach](http://swtch.com/~rsc/regexp/regexp2.html)
 
-[2] [Regular Expression Matching Can Be Simple And Fast (but is slow in Java, Perl, PHP, Python, Ruby, ...)](http://swtch.com/~rsc/regexp/regexp1.html)
+[2] [Regular Expression Matching Can Be Simple And Fast (but is slow in Java, Perl, PHP, Python, Ruby, ...](http://swtch.com/~rsc/regexp/regexp1.html)
 
 
 <hr style="width:10%;text-align:left;margin-left:0">

2012/hou/index.html

@@ -492,7 +492,7 @@ amount of spaghetti branches and virtual thread creations. Finally, the VM in
 <section id="footnotes" class="footnotes footnotes-end-of-document" role="doc-endnotes">
 <h5>Footnotes</h5>
 <ol>
-<li id="fn1"><p><a href="http://swtch.com/~rsc/regexp/regexp1.html">Regular Expression Matching Can Be Simple And Fast (but is slow in Java, Perl, PHP, Python, Ruby, …)</a><a href="#fnref1" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
+<li id="fn1"><p><a href="http://swtch.com/~rsc/regexp/regexp1.html">Regular Expression Matching Can Be Simple And Fast (but is slow in Java, Perl, PHP, Python, Ruby, …</a><a href="#fnref1" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
 <li id="fn2"><p><a href="http://swtch.com/~rsc/regexp/regexp2.html">Russ Cox, Regular Expression Matching: the Virtual Machine Approach</a><a href="#fnref2" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
 <li id="fn3"><p><a href="http://swtch.com/~rsc/regexp/regexp2.html">Russ Cox, Regular Expression Matching: the Virtual Machine Approach</a><a href="#fnref3" class="footnote-back" role="doc-backlink">↩︎</a></p></li>
 </ol>