 contains a valid date, moves focus to that date in the calendar grid.
                      Otherwise, moves focus to current date, i.e., today's date.
                    </li>
                  </ul>
                </td>
              </tr>
            </tbody>
          </table>
        </section>

        <section>
          <h3 id="kbd_label_3">Date Picker Dialog</h3>
          <table aria-labelledby="kbd_label_3 kbd_label" class="def">
            <thead>
              <tr>
                <th>Key</