anchor.diff:  
   </pre>
     </div>
  -
  -  <div class="tab-pane" id="config">
  +  <div role="tabpanel" class="tab-pane" id="config">
   <pre>
  -
   rememberable_options = <%= Devise.rememberable_options %>
   stretches = <%= Devise.stretches %>
   http_authentication_key = <%= Devise.http_authentication_key %>
  
positive.code: <h1>Devise Configuration</h1>
  
  <ul class="nav nav-tabs" role="tablist">
    <li class="active"><a href="#overview" role="tab" data-toggle="tab">Overview</a></li>
    <li><a href="#config" role="tab" data-toggle="tab">Config</a></li>
  </ul>
  
  <div class="tab-content">
    <div class="tab-pane active" id="overview">
      <dl class="dl-horizontal">
        <dt>Devise Version</dt><dd><%= Devise::VERSION %></dd>
      </dl>
  
negative.code: router_name = <%= Devise.router_name %>
  omniauth_path_prefix = <%= Devise.omniauth_path_prefix %>
  clean_up_csrf_token_on_authentication = <%= Devise.clean_up_csrf_token_on_authentication %>
  omniauth_configs = <%= Devise.omniauth_configs %>
  helpers = <%= Devise.helpers %>
  warden_config = <%= Devise.warden_config %>
  