| <p>Foo [bar] [1].</p>
<p>Foo [bar][1].</p>
<p>Foo [bar]
[1].</p>
<p>[1]: /url/  "Title"</p>
<p></p>
<p>With [embedded [brackets]] [b].</p>
<p></p>
<p>Indented [once][].</p>
<p>Indented [twice][].</p>
<p>Indented [thrice][].</p>
<p>Indented [four][] times.</p>
<p> [once]: /url</p>
<p>  [twice]: /url</p>
<p>   [thrice]: /url</p>
<pre><code>[four]: /url
</code></pre><p></p>
<p></p>
<p>[b]: /url/</p>
 |