showdownjs/test/functional/makehtml/cases/features/simplifiedAutoLink/emphasis-and-strikethrough.html

<p><em><a href="http://www.google.com/foobar">http://www.google.com/foobar</a></em></p>
<p><strong><a href="http://www.google.com/foobar">http://www.google.com/foobar</a></strong></p>
<p><strong><em><a href="http://www.google.com/foobar">http://www.google.com/foobar</a></em></strong></p>
<p><del><a href="http://www.google.com/foobar">http://www.google.com/foobar</a></del></p>
<p><em><a href="http://www.google.com/foobar">http://www.google.com/foobar</a></em></p>
<p><strong><a href="http://www.google.com/foobar">http://www.google.com/foobar</a></strong></p>
<p><strong><em><a href="http://www.google.com/foobar">http://www.google.com/foobar</a></em></strong></p>