anchor.diff:                          { controller: 'assignments',
                             action: 'student_interface',
                             id: assignment.id },
  -                        title: assignment.description,
  -                        class: 'title' %>
  +                        title: assignment.description %>
             <% end %>
           <% end %>
         </li>
  
positive.code:                         { controller: 'assignments',
                            action: 'student_interface',
                            id: assignment.id },
                          title: assignment.description,
                          class: 'title' %>
            <% end %>
          </li>
        <% elsif @current_user.ta? %>
  
negative.code:                           assignment_text: h(assignment.short_identifier)),
                          polymorphic_url([assignment, target_controller],
                                          action: target_action),
                          title: assignment.description %>
            <% else %>
              <%= link_to h(assignment.short_identifier),
                          polymorphic_url([assignment, target_controller],
                                          action: target_action),
                          title: assignment.description %>
            <% end %>
          <% # student user, so show only non-hidden assignments
             else %>
  