<tr> 
  <td  class='delimited_index'>
    <input type='text' name='value_delimited_single_key' value='' id='value_delimited_single_key'/>
  </td>
  <td>
    <input type='text' name='value_delimited_single' value='' id='value_delimited_single'/>
  </td>
</tr>
