friendenstein/templates/toc.html

<div class="toc">
<h2>Table of contents</h2>
<ul>
	{% for h1 in page.toc %}
	<li>
		<a href="{{ h1.permalink | safe }}">{{ h1.title }}</a>
		{% if h1.children %}
		<ul>
			{% for h2 in h1.children %}
			<li>
				<a href="{{ h2.permalink | safe }}">{{ h2.title }}</a>
				<ul>
					{% for h3 in h2.children %}
					<li>
						<a href="{{ h3.permalink | safe }}">{{ h3.title }}</a>
					</li>
					{% endfor %}
				</ul>
			</li>
			{% endfor %}
		</ul>
		{% endif %}
	</li>
	{% endfor %}
</ul>
</div>