extbox.</li>
                </ul>
              </td>
            </tr>
          </tbody>
        </table>
        <h3 id="kbd_label_button">Button</h3>
        <p>The button has been removed from the tab sequence of the page, but is still important to assistive technologies for mobile devices that use touch events to open the list of options.</p>
      </section>

      <section>
        <h2 id="rps_label">Role, Property, State, and Tabindex Attributes</h2>
        <p>
          The example combobox on t