1<h2><span class="markdown">A plain header</span></h2> 2<p>Let's first have a plain header</p> 3<h1>An underlined header</h1> 4<p>(That's also useful)</p> 5<h1>A header with a <a href="http://www.link.com">link</a></h1> 6<p>First with a hash</p> 7<h2>Another with a <a href="http://www.link.com/">link</a></h2> 8<p>This time underlined</p> 9 10