Lists with headers

_original_jats.xml

<!-- a JATS list -->
<list>
  <label>A.6</label>
  <title>A List of Stuff</title>
  <list-item>Thing One</list-item>
  <list-item>Thing Two</list-item>
  <list-item>A Third Item For Good Measure</list-item>
</list>

figure.html

<figure>
  <figcaption><span class="label">A.6</span> A List of Stuff</figcaption>
  <ul>
    <li>Thing One</li>
    <li>Thing Two</li>
    <li>A Third Item For Good Measure</li>
  </ul>
</figure>