i><code>&lt;button&gt;</code> <small>&mdash; form buttons</small></li>
          <li><code>&lt;code&gt;</code> <small>&mdash; inline code highlighting</small></li>
          <li>
            <code>&lt;details&gt;</code> <small>&mdash; default expandable content section</small>
            <ul>
              <li><code>&lt;details&gt;&lt;summary&gt;</code> <small>&mdash; expandable heading</small></li>
            </ul>
          </li>
          <li><code>&lt;dialog&gt;</code> <small>&mdash; popup windows</sm