anchor.diff:              </p>
             </div>
           </div>
  -        <h3 class="tab-accordion_heading" rel="tab8"> 15.1  </h3>
  -        <div id="tab8" class="tab_content">
  +        <h3 class="tab-accordion_heading" rel="tab-15-1-0"> 15.1  </h3>
  +        <div id="tab-15-1-0" class="tab_content">
             <div class="content">
               <h4>New plugin endpoint for "Materials"</h4>
               <p> This new plugin endpoint introduced in 15.1 allows Go’s already long list of source code materials to be extended without making changes to the core! </p>
  
positive.code: </ul>
  </div>
  </div>
  <h3 class="tab-accordion_heading" rel="tab12"> 14.1 </h3>
  <div id="tab12" class="tab_content">
  <div class="content">
  <a name="14.1"></a>
  <h4>Enhancements</h4>
  
negative.code: </ul>
  </div>
  </div>
  <h3 class="tab-accordion_heading" rel="tab-14-3-0"> 14.3 </h3>
  <div id="tab-14-3-0" class="tab_content">
  <div class="content">
  <h4>New Features</h4>
  <ul>
  