anchor.diff:          <div class="event">Lunsj</div><span class="location right">Restauranten</span> 
         </td> 
       </tr> 
  -    <tr><td class="time">10:15&nbsp;‑&nbsp;11:00</td> 
  +    <tr><td class="time">13:00&nbsp;‑&nbsp;14:30</td> 
           <td class="slot salOlympia">
               <div class="event"></div>
               <span class="location">Workshop 1</span>
  
positive.code:         <span class="location right">Foajé</span> 
        </td> 
      </tr>
      <tr><td class="time">10:15&nbsp;‑&nbsp;11:00</td> 
          <td class="slot salOlympia">
              <div class="event"></div>
              <span class="location">Workshop 1</span>
  
negative.code:         </td>
      </tr>
      <%= timeslot_workshops_tr(@w[3]) %>
  
      <!--%= timeslot_with_location_tr("10:15&nbsp;&#8209;&nbsp;11:00", @periods_by_time_and_scene[4]) %-->
      <tr><td class="time">11:00&nbsp;‑&nbsp;12:00</td> 
          <td class="slot salOlympia">
              <div class="event"></div>
              <span class="location">Workshop 1</span>
  