[double quotes] and [single quotes] and [parentheses]

[double quotes]: http://example.com "example title"
[single quotes]: http://example.com 'example title'
[parentheses]: http://example.com (example title)
[invalid title]: http://example.com example title

<p><a href="http://example.com" title="example title">double quotes</a> and <a href="http://example.com" title="example title">single quotes</a> and <a href="http://example.com" title="example title">parentheses</a></p>
<p>[invalid title]: <a href="http://example.com">http://example.com</a> example title</p>