I am tring to use a rel="nofollow" tag to block some external links from being indexed and its not validating? I writing in xhtml trad. and placing it like this I have tried both <a href="http://www.site.com/page.html" rel="nofollow">Visit My Page</a>
and
<a rel="nofollow" href="http://www.site.com/page.html" >Visit My Page</a> ??? is this an xhtml thing?