anchor.diff:    <header class="navbar navbar-fixed">
       <div class="navbar-inner">
         <div class="container">
  -        <a class="brand" href="#">SimpleForm Bootstrap</a>
  +        <a class="brand" href="#">SimpleForm + Twitter Bootstrap</a>
           <ul class="nav">
             <li><%= link_to "Home", root_path %></li>
             <li class="dropdown">
  
positive.code:               <b class='caret'></b>
              </a>
              <ul class="dropdown-menu">
                <li><%= link_to "List", articles_path %></li>
                <li><%= link_to "New Article", new_article_path %></li>
              </ul>
            </li>
          </ul>
  
negative.code: <!DOCTYPE html>
  <html>
  <head>
    <title>Example application with SimpleForm and Twitter Bootstrap</title>
    <%= stylesheet_link_tag    "application" %>
    <%= csrf_meta_tags %>
  </head>
  