         </th>
              <td></td>
              <td>
                <code>li</code>
              </td>
              <td>
                <ul>
                  <li>Identifies the element as a visual separator between groups of items within a menu, such as groups of <code>menuitemradio</code> or <code>menuitemcheckbox</code> elements.</li>
                  <li>Is not focusable but may be perceivable by a screen reader user when using a reading cursor that does not depend on focus.</li>
             