anchor.diff:        <th style="min-width: 200px">Nom</th>
         <th>Service</th>
         <th>Maquette</th>
  -      <th>Delta maquette / service</th>
  +      <th>Delta service / maquette</th>
         <th>EDT</th>
  -      <th>Delta EDT / service</th>
  +      <th>Delta maquette / EDT</th>
       </tr>
     </thead>
     <tbody>
  
positive.code:         <td><%= planned.round %></td>
          <%= render 'application/td_delta', value: planned, reference: service %>
          <td><%= scheduled.round %></td>
          <%= render 'application/td_delta', value: scheduled, reference: service %>
        </tr>
      <% end %>
    </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>
  
  