anchor.diff:            <div id="lang-selector">
               <% language_tabs.each do |lang| %>
                 <% if lang.is_a? Hash %>
  -                <a href="#" data-language-name="<%= lang.keys[0] %>"><%= lang.values[0] %></a>
  +                <a href="#" data-language-name="<%= lang.keys.first %>"><%= lang.values.first %></a>
                 <% else %>
                   <a href="#" data-language-name="<%= lang %>"><%= lang %></a>
                 <% end %>
  
positive.code:   <body class="<%= page_classes %>">
      <div class="tocify-wrapper">
        <%= image_tag "logo.png" %>
        <div id="toc">
        </div>
        <% if current_page.data.toc_footers %>
  
negative.code: <html>
    <head>
      <meta charset="utf-8">
      <meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible">
      <title><%= current_page.data.title || "API Documentation" %></title>
  
      <%= stylesheet_link_tag :screen, media: :screen %>
      <%= stylesheet_link_tag :print, media: :print %>
      <script src="https://code.jquery.com/jquery-1.10.1.min.js"></script>
      <%= javascript_include_tag  "all" %>
  
  