graph.</p>
</dd>
<dt class="label" id="label"><span class="brackets">2</span><span class="fn-backref">(<a href="#id3">1</a>,<a href="#id8">2</a>)</span></dt>
<dd><p>Footnotes may be numbered, either manually (as in <a class="footnote-reference brackets" href="#id6" id="id7">1</a>) or
automatically using a “#”-prefixed label.  This footnote has a
label so it can be referred to from multiple places, both as a
footnote reference (<a class="footnote-reference brackets" href="#label" id="id8">2</a>) and as a