anchor.diff:  *Examples*: 
   
   ----
  -TK
  +<div class="interactive">
  +  <div class="fallback">
  +    <p>See the interactive example at http://example.com.</p>
  +    <img src="images/fallback_image.png" />
  +  </div>
  +  
  +  <div class="content">
  +   
  +   <!--- code goes here -->
  +  
  +  </div>
  +
  +</div>
   ----
   
   === Metadata
  
positive.code: ----
  <pre class="programlisting">print "Hello World"</pre>
  ----
  
  ==== Ordered lists
  
  
negative.code: </audio>
  ----
  
  ==== Canvas
  
  *Legacy DB element*: No direct correlation 
  
  *New HTML element*: <canvas>
  
  *Note*: Should include a fallback link.
  
  *Examples*:
  
  ----
  <canvas id="canvas" width="400" height="400">
   Your browser does not support the HTML 5 Canvas. See the interactive example at http://example.com.
  </canvas>
  ----
  
  ==== General Interactive
  
  *Legacy DB element*: No direct correlation 
  