anchor.diff:            <tbody>
               <tr>
                 <td>govukgeo</td>
  -              <td>Details about your location (such as postcode, longitude/latitude and a 'friendly name' for where we think you are).</td>
  +              <td>Details about your location (such as postcode,
  +              longitude/latitude and a ‘friendly name’ for where we think you
  +              are).</td>
                 <td>4 months</td>
               </tr>
             </tbody>
  
positive.code:           <tbody>
              <tr>
                <td>govuktour</td>
                <td>The word 'dismiss' once you have closed the popup box.</td>
                <td>4 months</td>
              </tr>
            </tbody>
  
negative.code: 
          <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
          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>
  
          <table>
            <thead>
  