showdownjs/test/issues/#299.nested-ordered-unordered-list-inconsistent-behavior.html

<ul>
    <li>one</li>
</ul>
<ol>
    <li>two</li>
</ol>
<p>foo</p>
<ul>
    <li>one

        <ol>
            <li>two</li></ol></li>
</ul>
<p>foo</p>
<ul>
    <li>one

        <ul>
            <li>two</li></ul></li>
</ul>