usage: elinon.py [-o OUT] [-h] filename

positional arguments:
  filename           (str, default=None)

options:
  -o OUT, --out OUT  (str, default=out.html)
  -h, --help         show this help message and exit

* Foo
* Bar
* Baz

<ul class="markdown">
<li class="markdown">Foo</li>
<li class="markdown">Bar</li>
<li class="markdown">Baz</li>
</ul>

## Hello world

This is a p element

<h2 class="markdown">Hello world</h2>
<p class="markdown">This is a p element</p>