anchor.diff:  <p>You can nest them:</p>
   
   <pre><code>*   Abacus
  -    * ass
  -*   Bastard
  -    1.  bitch
  +    * answer
  +*   Bubbles
  +    1.  bunk
       2.  bupkis
           * BELITTLER
       3. burper
  
positive.code:                 font-size: 11px;
                  line-height: 1.6em;
          }
  
          .label {
                  margin-bottom: 4px;
          }
  
negative.code: 
  Header 2
  --------
  </code></pre>
  
  <p>atx-style (closing #'s are optional):</p>
  