> What do you want ?> This html code doesn't exist as far as I know.
> nofollow can be used in meta instructions :
> <meta name="robots" content="noindex,nofollow">
> if you want robots not to crawl a page.

D_A, rel="nofollow" was created to help prevent blog/wiki comment spam by
preventing external links from being indexed by search engines (of course the
search engines would have to support the attribute).

Some info:
<http://www.sixapart.com/pronet/weblog/2005/01/introduction_to.html>