Make ^NOTE in markdown/html files bold

2018/bellard/README.md

@@ -25,14 +25,14 @@ graphics viewer of choice.  After that try:
     ./try.sh
 ```
 
-NOTE: the script uses the tools `pngtopam(1)` (or `pngtopnm(1)` for older
+**NOTE**: the script uses the tools `pngtopam(1)` (or `pngtopnm(1)` for older
 versions) and `pnmscale` come from the netpbm project and `cjpeg(1)` comes from
 `libjpeg-turbo`. If you don't have these tools already see the
 FAQ on "[netpbm](../../faq.html#netpbm)"
 and the
 FAQ on "[libjpeg-turbo](../../faq.html#libjpeg)".
 
-NOTE: [Lenna.png](Lenna.png) is from
+**NOTE**: [Lenna.png](Lenna.png) is from
 <https://upload.wikimedia.org/wikipedia/en/7/7d/Lenna_%28test_image%29.png>.
 
 

2018/bellard/index.html

@@ -419,13 +419,13 @@ code</a> below.</p>
 running the above command (<code>./prog &gt; lena.ppm</code>), open <code>lena.ppm</code> in your
 graphics viewer of choice. After that try:</p>
 <pre><code>    ./try.sh</code></pre>
-<p>NOTE: the script uses the tools <code>pngtopam(1)</code> (or <code>pngtopnm(1)</code> for older
+<p><strong>NOTE</strong>: the script uses the tools <code>pngtopam(1)</code> (or <code>pngtopnm(1)</code> for older
 versions) and <code>pnmscale</code> come from the netpbm project and <code>cjpeg(1)</code> comes from
 <code>libjpeg-turbo</code>. If you don’t have these tools already see the
 FAQ on “<a href="../../faq.html#netpbm">netpbm</a>”
 and the
 FAQ on “<a href="../../faq.html#libjpeg">libjpeg-turbo</a>”.</p>
-<p>NOTE: <a href="Lenna.png">Lenna.png</a> is from
+<p><strong>NOTE</strong>: <a href="Lenna.png">Lenna.png</a> is from
 <a href="https://upload.wikimedia.org/wikipedia/en/7/7d/Lenna_%28test_image%29.png" class="uri">https://upload.wikimedia.org/wikipedia/en/7/7d/Lenna_%28test_image%29.png</a>.</p>
 <h2 id="alternate-code">Alternate code:</h2>
 <p>The <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/bellard/prog.alt.c">prog.alt.c</a> is based on the author’s remarks and it should work