anchor.diff:  <% title t(:operating_systems) %>
  +
  +<% cache [@last_updated_system, @last_updated_server] do %>
   
   <div id="operating_systems" class="grid_5 center">
     
  
positive.code:   </tr>
    <tr>
      <td>
        <% cache [@last_updated_system, @last_updated_server] do %>
          <%= nested_operating_systems @operating_systems %>
        <% end %>
      </td>
    </tr>
  </table>
  
negative.code:   </div>
  <% end %>
  </div>
  
  <% end %>
  