               lines on the left of the grid. If specified <code>nil</code>, no such labels
                 will be drawn. Default value is <code>nil</code>.</p>
                                </div>
                              </td>
                            </tr>
                            <tr>
                              <td>
                                <code>
                                <em>right</em>
                                </code>
                              </td>
          