anchor.diff:    </tfoot>
     <tbody>
       <tr>
  -      <td class="time">8:00</td> 
  +      <td class="time">8:00&nbsp;&#8209;&nbsp;9:15</td> 
         <td colspan="3" class="slot foaje"> 
           <div class="event">Kaffe</div> 
           <span class="location right">Foajé</span> 
  
positive.code:     <%= timeslot_with_location_tr("11:15&nbsp;&#8209;&nbsp;12:00", @periods_by_time_and_scene[1]) %>
      <%= timeslot_talks_tr(@periods_by_time_and_scene[1]) %>
      <tr>
        <td class="time">12:00&nbsp;&#8209;&nbsp;13:00</td> 
        <td colspan="3" class="slot restaurant"> 
          <div class="event">Lunsj</div><span class="location right">Brasseriet</span> 
        </td> 
      </tr> 
      <!-- Lightning talks -->
  
negative.code:     <tr>
        <td class="time">17:30</td> 
        <td colspan="3" class="slot restaurant"> 
          <div class="event">Middag</div><span class="location right">Restauranten</span>
        </td> 
      </tr> 
    </tbody> 
  