anchor.diff:  <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>
  +<nav>
  +  <ul class="nav nav-pills">
  +    <li role="presentation" class="active"><a href="#mappings" role="tab" data-toggle="pill">Mappings</a></li>
  +    <li role="presentation"><a href="#overview" role="tab" data-toggle="pill">Overview</a></li>
  +    <li role="presentation"><a href="#config" role="tab" data-toggle="pill">Config</a></li>
  +  </ul>
  +</nav>
   
   <div class="tab-content">
  -  <div class="tab-pane active" id="overview">
  +  <div role="tabpanel" class="tab-pane active" id="mappings">
  +    <% Devise.mappings.each do |key, mapping| %>
  +      <div class="panel panel-default">
  +        <div class="panel-heading">
  +          <h3 class="panel-title">:<%= key %> =&gt; <%= mapping.class_name %></h3>
  +        </div>
  +        <div class="panel-body">
  +          <h3>Attributes</h3>
  +          <table class="table table-condensed">
  +            <tr>
  +              <th>Attribute</th>
  +              <th>Value</th>
  +            </tr>
  +            <% [:singular, :scoped_path, :path, :controllers, :path_names,
  +                :class_name, :sign_out_via, :format, :used_routes, :used_helpers,
  +                :failure_app, :router_name, :strategies, :authenticatable?].each do |attr| %>
  +              <tr>
  +                <td><%= attr %></td>
  +                <td><%= mapping.send(attr) %></td>
  +              </tr>
  +          <% end %>
  +          </table>
  +          <h3>Enabled Modules</h3>
  +          <table class="table table-condensed">
  +            <tr>
  +              <th>Module Name</th>
  +              <th>Config Options</th>
  +            </tr>
  +          <% mapped_class = mapping.to
  +             mapped_class.devise_modules.each do |devise_module| %>
  +            <tr>
  +              <td>:<%= devise_module %></td>
  +              <td>
  +                <%
  +                  mod = Devise::Models.const_get(devise_module.to_s.classify)
  +                  if mod.const_defined?(:ClassMethods)
  +                    class_mod = mod.const_get(:ClassMethods)
  +                    if class_mod.respond_to?(:available_configs)
  +                      class_mod.available_configs.each do |config| %>
  +                        <%= config %>:
  +                        <code><%= mapped_class.send(config) %></code><br/>
  +                <%    end
  +                    end
  +                  end
  +                %>
  +              </td>
  +            </tr>
  +          <% end %>
  +          </table>
  +      </div>
  +    <% end %>
  +    </div>
  +  </div>
  +  <div role="tabpanel" class="tab-pane" id="overview">
       <dl class="dl-horizontal">
         <dt>Devise Version</dt><dd><%= Devise::VERSION %></dd>
       </dl>
  
positive.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 %>
  mappings = <%= Devise.mappings %>
  omniauth_configs = <%= Devise.omniauth_configs %>
  helpers = <%= Devise.helpers %>
  warden_config = <%= Devise.warden_config %>
  
negative.code: 
  </pre>
    </div>
    <div role="tabpanel" class="tab-pane" id="config">
  <pre>
  rememberable_options = <%= Devise.rememberable_options %>
  stretches = <%= Devise.stretches %>
  http_authentication_key = <%= Devise.http_authentication_key %>
  