       <td>
            <p>strings</p>
          </td>
        
          <td>
            <p>"arg"</p>
          </td>
        
          <td>
            <p>arg</p>
          </td>
        </tr>
      
        <tr>
          <td>
            <p>symbols</p>
          </td>
        
          <td>
            <p>'arg</p>
          </td>
        
          <td>
            <p>arg</p>
          </td>
        </tr>
      </tbody>
    </table>
  
    <p>In some cases, you are free to use Tk-style data, e.&#160;