Make ^NOTE in markdown/html files bold

2018/endoh2/index.html

@@ -414,7 +414,7 @@ Location: <a href="../../location.html#JP">JP</a> - <em>Japan</em></li>
 <pre><code>    ./prog</code></pre>
 <h2 id="try">Try:</h2>
 <pre><code>    ./try.sh</code></pre>
-<p>NOTE: to interrupt the loops send intr (typically ctrl-C).</p>
+<p><strong>NOTE</strong>: to interrupt the loops send intr (typically ctrl-C).</p>
 <h2 id="judges-remarks">Judges’ remarks:</h2>
 <p>And now for something completely different: A program whose metabolic
 processes are a matter of interest only to historians. It has kicked the bucket