ass="language-django external good">{# TODO(john.doe): revisit centering #}
&lt;center&gt;Test&lt;/center&gt;
</code></pre>

<pre><code class="language-html good">&lt;!-- TODO: remove optional tags --&gt;
&lt;ul&gt;
  &lt;li&gt;Apples&lt;/li&gt;
  &lt;li&gt;Oranges&lt;/li&gt;
&lt;/ul&gt;
</code></pre>

<h2 id="HTML" class="numbered">HTML</h2>

<h3 id="HTML_Style_Rules" class="numbered">HTML Style Rules</h3>

<h4 id="Document_Type" class="numbered">Document Type</h4>

<p>Use HTML5.</p>

<p>HTML5 (HTML syntax