        </td>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">S</span></code>, attribute
                      is optional, if it is supplied, the generator compares the
                      attribute with <code class="computeroutput"><span class="identifier">s</span></code>
                      and succeeds only if both are equal, failing otherwise
                    </p>
                  </td>
</tr>
</tbody>
</table></div>
<div class="note"><tab