Make ^NOTE in markdown/html files bold

1989/jar.1/index.html

@@ -409,7 +409,7 @@ Location: <a href="../../location.html#SE">SE</a> - <em>Kingdom of Sweden</em> (
 
 <!-- BEFORE: 1st line of markdown file: 1989/jar.1/README.md -->
 <h2 id="to-build">To build:</h2>
-<p>NOTE: this will run the program itself.</p>
+<p><strong>NOTE</strong>: this will run the program itself.</p>
 <pre><code>    make clobber all</code></pre>
 <p>There is an alternate version with a slight difference that you may wish to try.
 See the <a href="#alternate-code">Alternate code</a> section below for more details.</p>
@@ -418,7 +418,7 @@ See the <a href="#alternate-code">Alternate code</a> section below for more deta
 <h2 id="alternate-code">Alternate code:</h2>
 <p>This alternate code, which prints something slightly different, is provided as well.</p>
 <h3 id="alternate-build">Alternate build:</h3>
-<p>NOTE: this will run the program itself.</p>
+<p><strong>NOTE</strong>: this will run the program itself.</p>
 <pre><code>    make clobber alt</code></pre>
 <h3 id="alternate-use">Alternate use:</h3>
 <pre><code>    ./jar.1.alt</code></pre>