anchor.diff:  
           <h3 id="tourcookies">Remembering if you’ve seen our introductory message</h3>
   
  -        <p>On your first visit to GOV.UK, you’ll be greeted by a pop-up
  +        <p>On your first visit to parts of GOV.UK, you’ll be greeted by a pop-up
           message, welcoming you and providing background to this trial site.
           When you close the message, we’ll store a cookie so that your computer
           knows you’ve seen it and knows not to show it again (and again...).</p>
  
positive.code:     <article role="article" class="group">
        <div class="inner">
          <h2>Cookies</h2>
          
          <p>To make this site simpler, we sometimes place small data files on
          your computer. These are known as cookies. Most big websites do this
          too.</p>
  
negative.code:               <td>The word ‘dismiss’ once you have closed the popup box.</td>
                <td>7 days</td>
              </tr>
              <tr>
                <td>whitehall-tour</td>
                <td>The word ‘dismiss’ once you have closed the popup box.</td>
                <td>7 days</td>
              </tr>
              <tr>
                <td>dp-tour</td>
                <td>The word ‘dismiss’ once you have closed the popup box.</td>
                <td>7 days</td>
              </tr>
            </tbody>
          </table>
  
        </div>
      </article>
  
    </div>
  </section>
  