anchor.diff:        <th>Module</th>
         <th>Type</th>
         <th>Date</th>
  -      <th>Heures enseignant</th>
  -      <th>Heures étudiant</th>
  +      <th>Heures</th>
       </tr>
     </thead>
     <tbody>
  
positive.code: <h2>Heures EDT</h2>
  
  <p>
    <%= @user.events.cm.sum :teacher_hours %> CM
    / <%= @user.events.td.sum :teacher_hours %> TD
    / <%= @user.events.tp.sum :teacher_hours %> TP
  </p>
  
  <table class="table">
  
negative.code:         <td><%= link_to event.teaching_module, event.teaching_module %></td>
          <td><%= event.kind.to_s.upcase %></td>
          <td><%= event.date.strftime "%d/%m/%Y" %></td>
          <td><%= event.duration %></td>
        </tr>
      <% end %>
    </tbody>
  