Added a section for testing comments

index.html

@@ -24,6 +24,7 @@ <h1>HTML5 Test Page</h1>
               <li><a href="#text__tables">Tabular data</a></li>
               <li><a href="#text__code">Code</a></li>
               <li><a href="#text__inline">Inline elements</a></li>
+              <li><a href="#text__comment">Comments</a></li>
             </ul>
           </li>
           <li>
@@ -214,8 +215,18 @@ <h2>Pre-formatted text</h2>
             </div>
             <footer><p><a href="#top">[Top]</a></p></footer>
           </article>
+          <article id="text__comment">
+            <header><h1>Comments</h1></header>
+            <div>
+              <p>There is comment here: <!--This comment should not be displayed--></p>
+              <p>There is a comment spanning multiple tags and lines below here.</p>
+              <!--<p><a href="#!">This is a text link. But it should not be displayed in a comment</a>.</p>
+              <p><strong>Strong is used to indicate strong importance. But, it should not be displayed in a comment</strong></p>
+              <p><em>This text has added emphasis. But, it should not be displayed in a comment</em></p>-->
+            </div>
+            <footer><p><a href="#top">[Top]</a></p></footer>
+          </article>
         </section>
-
         <section id="embedded">
           <header><h1>Embedded content</h1></header>
           <article id="embedded__images">