anchor.diff:      </div>
     </div>
     
  -  <aside class="filters filters-2">
  +  <aside class="filters">
       <div class="group">
         <h2 class="visuallyhidden">Current Section</h2>
   
  
positive.code:     </hgroup>
    </header>
  
    <div class="browse-container group">
      <div class="results group">
        <div class="results-wrapper" id="popular">
          <div class="summary">
  
negative.code: <section id="content" role="main" class="group search section-page ancillary">
  
    <header class="page-header group">
      <hgroup>
  