i><a class=active href="#">Variable Height</a>
  </ul>
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<h2>Variable Height Demo</h2>
<form><textarea id="code" name="code"># A First Level Header

**Bold** text in a normal-size paragraph.

And a very long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long, wrapped line with a piece of **big** text inside of it.

## A Second Level Header

Now is the time for all 