<h1 id="this-is-an-h1">
<span class="section_number">
{{ chapter.number }}.
</span>
This is an H1
</h1>
<h2 id="this-is-an-h2">
<span class="section_number">
{{ chapter.number }}.1.
</span>
This is an H2
</h2>
<h6 id="this-is-an-h6">
<span class="section_number">
{{ chapter.number }}.1.0.0.0.1.
</span>
This is an H6
</h6>
