is is an H1
=============

This is an H2
-------------
</code></pre>

<p>Any number of underlining <code>=</code>&apos;s or <code>-</code>&apos;s will work.</p>

<p>Atx-style headers use 1-6 hash characters at the start of the line,
corresponding to header levels 1-6. For example:</p>

<pre><code># This is an H1

## This is an H2

###### This is an H6
</code></pre>

<p>Optionally, you may &quot;close&quot; atx-style headers. This is purely
cosmetic -- you can use this if you think it looks better. The
closi