anchor.diff:      <div data-role="header">
           <div data-role="navbar">
               <ul>
  -                <li><a href="#session-zone">Zone de dessin</a></li>
  -                <li><a href="#session-global">Dessin global</a></li>
  -                <li><a href="#session-chat" class="ui-btn-active">Messages</a></li>
  +                <li><a href="#session-zone" data-transition="slideup">Zone de dessin</a></li>
  +                <li><a href="#session-global" data-transition="slideup">Dessin global</a></li>
  +                <li><a href="#session-chat" data-transition="slideup" class="ui-btn-active ui-state-persist">Messages</a></li>
               </ul>
           </div>
       </div>
  
positive.code:     <div data-role="header">
          <div data-role="navbar">
              <ul>
                  <li><a href="#session-zone" class="ui-btn-active">Zone de dessin</a></li>
                  <li><a href="#session-global">Dessin global</a></li>
                  <li><a href="#session-chat">Messages</a></li>
              </ul>
          </div>
      </div>
  
negative.code:     <div data-role="header">
          <div data-role="navbar">
              <ul>
                  <li><a href="#session-zone" data-transition="slideup">Zone de dessin</a></li>
                  <li><a href="#session-global" data-transition="slideup" class="ui-btn-active ui-state-persist">Dessin global</a></li>
                  <li><a href="#session-chat" data-transition="slideup">Messages</a></li>
              </ul>
          </div>
      </div>
  