<ul>
  <li>
    <pre><code>This is a code block.
</code></pre>
  </li>
  <li>
    <blockquote>
      <p>This is a blockquote.</p>
    </blockquote>
  </li>
  <li>
    <h2>A header</h2>
  </li>
</ul>
<ul>
  <li>
    <pre><code>This is a code block.
</code></pre>
  </li>
  <li>
    <blockquote>
      <p>This is a blockquote.
continued by some para.</p>
    </blockquote>
  </li>
  <li>
    <h1>A header</h1>
    <p>a para</p>
  </li>
</ul>
<ul>
  <li>
    <ul>
      <li>nested list</li>
      <li>other nested item</li>
    </ul>
  </li>
  <li>item 2</li>
</ul>