<p>Link: <a href="http://example.com/">http://example.com/</a>.</p>

<p>With an ampersand: <a href="http://example.com/?foo=1&amp;bar=2">http://example.com/?foo=1&amp;bar=2</a></p>

<ul>
<li>In a list?</li>
<li><a href="http://example.com/">http://example.com/</a></li>
<li>It should.</li>
</ul>

<blockquote>
  <p>Blockquoted: <a href="http://example.com/">http://example.com/</a></p>
</blockquote>

<p>Auto-links should not occur here: <code>&lt;http://example.com/&gt;</code></p>

<pre><code>or here: &lt;http://example.com/&gt;
</code></pre>