anchor.diff:          <h2 id="historical-research">Historical research</h2>
           <p>History is changing all the time as new evidence and new perspectives emerge. Historians can help us make sense of this shifting landscape &ndash; through articles, seminars and exhibitions. You can find out more by exploring these series:</p>
             <ul>
  -            <li><a href="#">No 10 guest historians</a></li>
  -            <li><a href="#">FCO historians</a></li>
  -            <li><a href="#">FCO history podcast</a></li>
  +            <li><a href="http://www.number10.gov.uk/history-and-tour/guest-historians/" rel="external">No 10 guest historians</a></li>
  +            <li><a href="http://www.fco.gov.uk/en/about-us/our-history/fco-historians/" rel="external">FCO historians</a></li>
  +            <li><a href="https://itunes.apple.com/gb/podcast/foreign-commonwealth-office/id391720925" rel="external">FCO history podcast</a></li>
             </ul>
         </div>
       </div>
  
positive.code:           <h2 id="government-buildings">Government buildings</h2>
            <p>Number 10, Downing Street may have the world&rsquo;s most famous front door, but the real treasures lie inside. Take the virtual tour, or explore the secrets and stories of other buildings throughout Whitehall and beyond:</p>
            <ul>
              <li><a href="#">10 Downing Street</a></li>
              <li><a href="#">11 Downing Street</a></li>
              <li><a href="#">FCO Buildings</a></li>
              <li><a href="#">MOD Whitehall</a></li>
              <li><a href="#">1 Horse Guards </a></li>
              <li><a href="#">Government Offices Great George Street</a></li>
              <li><a href="#">Hillsborough Castle</a></li>
            </ul>
          </div>
        </div>
  
negative.code:         <h2>More sources</h2>
          <p>Many institutions, as well as universities, museums and libraries, hold information about the history of the UK government. The following websites may be useful for further research:</p>
            <ul>
              <li><a href="http://www.parliament.uk/about/living-heritage/" rel="external">Parliament</a></li>
              <li><a href="http://www.bl.uk/" rel="external">The British Library</a></li>
            </ul>
        </div>
      </div>
  