n class="brackets"><a class="fn-backref" href="#id11">†</a></span></dt>
<dd><p>This footnote shows the next symbol in the sequence.</p>
</dd>
<dt class="label" id="id13"><span class="brackets">4</span></dt>
<dd><p>Here’s an unreferenced footnote, with a reference to a
nonexistent footnote: <a href="#id63"><span class="problematic" id="id14">[5]_</span></a>.</p>
</dd>
</dl>
</section>
<section id="citations">
<h3><a class="toc-backref" href="#id48"><span class="section-number">3.6.2. </span>Citations</a>