k"><a href="#an-intermediate-h1">An intermediate H1</a></li>
<li class="observablehq-secondary-link"><a href="#third-section">Third section</a></li>
</ol>
</nav>
</aside>
<main id="observablehq-main" class="observablehq">
<h1 id="a-title" tabindex="-1"><a class="observablehq-header-anchor" href="#a-title">A title</a></h1>
<h2 id="a-subtitle" tabindex="-1"><a class="observablehq-header-anchor" href="#a-subtitle">A subtitle</a></h2>
<p>The subtitle is not part of the TOC.</p>
<h2 id="first-section" tabindex="