Format fix html files in 2015, update bugs file

2015/endoh3/README.md

@@ -14,7 +14,7 @@
 
 ## Try:
 
-To see the original [mullender](%%REPO_URL%%/2015/endoh3/mullender.c) in action:
+To see the original [mullender](../../1984/mullender/index.html) in action:
 
 ``` <!---sh-->
     ./try.sh

2015/endoh3/index.html

@@ -413,7 +413,7 @@ Location: <a href="../../location.html#JP">JP</a> - <em>Japan</em></li>
 <h2 id="to-use">To use:</h2>
 <pre><code>    ./prog</code></pre>
 <h2 id="try">Try:</h2>
-<p>To see the original <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh3/mullender.c">mullender</a> in action:</p>
+<p>To see the original <a href="../../1984/mullender/index.html">mullender</a> in action:</p>
 <pre><code>    ./try.sh</code></pre>
 <p>Observe what happens when you hit enter or another character! You might even try
 typing out, one character at a time, <code>1984/mullender</code>, and then see what it looks