anchor.diff:  <% if !@assigned_groups.empty? || (@exercise.peer_review_goal && @exercise.peer_review_goal > 0) %>
     <h2><%=t '.reviews' %></h2>
     
  +  <!-- Peer review -->
     <% if @exercise.peer_review_goal && @exercise.peer_review_goal > 0 %>
       <p class="hint">
         <% if @exercise.peer_review_goal == 1 %>
  
positive.code:     </table>
    <% end %>
    
    <% if @exercise.peer_review_active? && @own_submission_count > 0 %>
      <%= button_to t('.new_peer_review'), exercise_create_peer_review_path(@exercise.id), :class => 'btn btn-primary btn-large' %>
    <% end %>
  
  
negative.code:       
        <% if @exercise.peer_review_timing == 'after_deadline' && Time.now.utc < @exercise.deadline %>
          <%= t('.peer_review_active_after_deadline') %>
        <% elsif @own_submission_count < 1 && @exercise.id != 208 %><!-- Koodiaapinen hack for exercise 208. Remove after 2016. -->
          <%= t('.peer_review_submit_first') %>
        <% end %>
      </p>
  