computer-playbook/sphinx/_templates/local_md_files.html

{% if local_md_headings %}
<div class="local-md-headings">
  <h3>Page Headings</h3>
  {% set ns = namespace(current_level=0) %}
  {% for item in local_md_headings %}
    {# If the current heading level is greater than the previous, open new <ul> tags #}
    {% if item.level > ns.current_level %}
      {% for i in range(ns.current_level, item.level) %}
        <ul>
      {% endfor %}
    {# If the current heading level is less than the previous, close the open <ul> tags #}
    {% elif item.level < ns.current_level %}
      {% for i in range(item.level, ns.current_level) %}
        </ul>
      {% endfor %}
    {% endif %}
    <li><a href="{{ pathto(item.link) }}">{{ item.text }}</a></li>
    {% set ns.current_level = item.level %}
  {% endfor %}
  {# Close any remaining open <ul> tags #}
  {% for i in range(ns.current_level) %}
    </ul>
  {% endfor %}
</div>
{% endif %}