showdown/test/cases/blockquote-nested-markdown.html

<blockquote>
    <h2 id="thisisaheader">This is a header.</h2>

    <ol>
        <li>This is the first list item.</li>
        <li>This is the second list item.</li>
    </ol>

    <p>Here's some example code:</p>

    <pre><code>return shell_exec("echo $input | $markdown_script");
    </code></pre>
</blockquote>