he “default” option uses an https URL from a MathJax
CDN. The “local” option uses a local version of MathJax (which is copied
into the output directory). You can pass an alternate URL or pass
<code>NULL</code> to exclude MathJax entirely.
</p>
</td>
</tr>
<tr class="even" style="vertical-align: top;">
<td>
<code>use_fontawesome</code>
</td>
<td>
<p>
Should links to FontAwesome be included in the HTML document’s
<code style="white-space: pre;">⁠&lt;head&gt;⁠</code>? Only enable if you
are inclu