#11.

<a href="http://www.google.com/search?hl=en&q=%22xhtml%22">link</a>
But I guess I'm missing the point.
Inside another link ?
<a href="http://localhost/?q=http://www.google.com/search&#63;hl=en&amp;q=%22xhtml%22">link</a>
I got a very bad feeling, this is way more complicated ^^