anchor.diff:    <col width="250">
     <col width="300">
     <tbody>
  -    <% if conversations.reject { |c| c.is_read?(current_user) || (c.receipts_for current_user).last.message.sender == current_user }.empty? %>
  +    <%# if conversations.reject { |c| c.is_read?(current_user) || (c.receipts_for current_user).last.message.sender == current_user }.empty? %>
         <tr>
           <tr>
             <td><b>With</b></td>
  
positive.code:           <% end %>
          <% end %>
        </tr>
      <% else %>
        <h4> No unread conversations </h4>
      <% end %>
    </tbody>
  </table>
  
  
negative.code:           <% end %>
          <% end %>
        </tr>
      <% #else %>
        
      <% #end %>
    </tbody>
  </table>