tests/markdown-test/links-reference.html

<p>Foo <a href="/url/" title="Title">bar</a>.</p>
<p>Foo <a href="/url/" title="Title">bar</a>.</p>
<p>Foo <a href="/url/" title="Title">bar</a>.</p>
<p>With <a href="/url/">embedded [brackets]</a>.</p>
<p>Indented <a href="/url">once</a>.</p>
<p>Indented <a href="/url">twice</a>.</p>
<p>Indented <a href="/url">thrice</a>.</p>
<p>Indented [four][] times.</p>
<pre><code>[four]: /url
</code></pre>