anchor.diff:                  <% colour = light.colour %>
                   <% was_tag = now_tag %>
                   <% now_tag = light.number %>
  -                <%= raw diff_traffic_light(light.kata.id, colour, was_tag, now_tag) %>
  +                <%= raw diff_traffic_light(kata_id, colour, was_tag, now_tag) %>
                 </td>
               <% end %>
               </tr>
  
positive.code: 	  <% end %>
  
      <td class="align-right">
        <%= raw traffic_light_count(lights[-1].kata.id, name, lights) %>
      </td>
  
      <td class="align-center">
  
negative.code:     </td>
  
      <td class="align-left valign-center">
        <%= raw diff_avatar_image(kata_id, name) %>
      </td>
  
  	</tr>
  