anchor.diff:          <td><%= planned.round %></td>
           <%= render 'application/td_delta', value: planned, reference: service %>
           <td><%= scheduled.round %></td>
  -        <%= render 'application/td_delta', value: scheduled, reference: service %>
  +        <%= render 'application/td_delta', value: scheduled, reference: planned %>
         </tr>
       <% end %>
     </tbody>
  
positive.code:       <th style="min-width: 200px">Nom</th>
        <th>Service</th>
        <th>Maquette</th>
        <th>Delta maquette / service</th>
        <th>EDT</th>
        <th>Delta EDT / service</th>
      </tr>
    </thead>
    <tbody>
  
negative.code: La promotion <%= link_to @year.first_year_promotion, @year.first_year_promotion %> est en première année.<br>
  La promotion <%= link_to @year.second_year_promotion, @year.second_year_promotion %> est en seconde année.<br>
  Pour actualiser l'EDT, cliquez sur la promotion concernée.
  
  <h2>Services</h2>
  
  