anchor.diff:        <div class="header-wrapper">
           <div class="header-global">
             <div class="header-logo">
  -            <a href="https://www.gov.uk/" title="Go to the GOV.UK homepage" id="logo" class="content">
  +            <a href="https://www.gov.uk/" title="<%= content_for?(:logo_link_title) ? yield(:logo_link_title) : "Go to the GOV.UK homepage" %>" id="logo" class="content">
                 <img src="<%= asset_path 'gov.uk_logotype_crown.png' %>" width="35" height="31" alt=""> GOV.UK
               </a>
             </div>
  
positive.code: 
              <div class="open-government-licence">
                <p class="logo"><a href="https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/" rel="license">Open Government Licence</a></p>
                <p>All content is available under the <a href="https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/" rel="license">Open Government Licence v3.0</a>, except where otherwise stated</p>
              </div>
            </div>
  
            <div class="copyright">
              <a href="https://www.nationalarchives.gov.uk/information-management/our-services/crown-copyright.htm">&copy; Crown copyright</a>
            </div>
          </div>
        </div>
  
negative.code: 
      <div id="skiplink-container">
        <div>
          <a href="#content" class="skiplink"><%= content_for?(:skip_link_message) ? yield(:skip_link_message) : "Skip to main content" %></a>
        </div>
      </div>
  
  