anchor.diff:          <textarea></textarea>
       </section>
   
  -    <section id="specs">
  -        <table>
  -            <thead>
  -                <tr>
  -                    <th>Input</th>
  -                    <th>Expected</th>
  -                    <th>Actual</th>
  -                </tr>
  -            </thead>
  -
  -            <tbody>
  -            </tbody>
  -        </table>
  -    </section>
  -
       <section id="docs">
           <iframe></iframe>
       </section>
  
positive.code:           if (showingAST()) {
              updateAST(latestResult);
  
            } else if (showingSpecs()) {
              updateSpecsTable(latestResult);
  
            } else if (showingDocs()) {
              updateDocs(latestResult);
            }
  
negative.code:           });
  
            parser.postMessage(data);
          }
  
          function updateDocs(data) {
  