1<ol class="toc">
2  {{#l0:items}}
3  <li class="toplevel"><a data-list-item href="#{{l0.link}}"
4      {{#a0:l0.attributes}}{{a0.key}}="{{a0.value}}"{{/}}>{{{l0.title}}}</a>
5    {{?l0.subheadings}}
6      <ol class="toc">
7        {{#l1:l0.subheadings}}
8          <li><a data-list-item href="#{{l1.link}}"
9                 {{#a1:l1.attributes}}{{a1.key}}="{{a1.value}}"{{/}}>{{{l1.title}}}</a>
10            {{?l1.subheadings}}
11              <ol class="toc">
12                {{#l2:l1.subheadings}}
13                  <li><a data-list-item href="#{{l2.link}}"
14                         {{#a2:l2.attributes}}{{a2.key}}="{{a2.value}}"{{/}}>{{{l2.title}}}</a></li>
15                {{/l1.subheadings}}
16              </ol>
17            {{/l1.subheadings}}
18          </li>
19        {{/l0.subheadings}}
20      </ol>
21    {{/l0.subheadings}}
22  </li>
23  {{/items}}
24</ol>
25