anchor.diff:              <li><a href="https://en.wikipedia.org/wiki/Mehmed_the_Conqueror">Mehmed</a></li>
             </ul>
           </li>
  +        <% end %>
         </ul>
         <form class="navbar-form navbar-right" method="get" action="https://www.bing.com/search" role="search">
           <div class="form-group">
  
positive.code: </button>
        </form>
        <ul class="nav navbar-nav navbar-right">
          <li><a href="https://www.facebook.com/pages/Constantine-XI-Palaiologos/103225189731462?fref=ts"><i class="fa fa-facebook-official"></i> Facebook</a></li>
          <li><a href="https://www.tumblr.com/search/constantine-xi-palaiologos"><i class="fa fa-tumblr"></i> tumblr.</a></li>
        </ul>
      </div>
    </div>
  
negative.code:     </div>
      <div class="collapse navbar-collapse" id="myNavbar">
        <ul class="nav navbar-nav">
          <% if current_route == '/C9P' %>
          <li class="dropdown">
            <a class="dropdown-toggle" data-toggle="dropdown" href="#">Navigate
          <span class="caret"></span></a>
  