On Wednesday 19 January 2005 12:15, Brion Vibber wrote:
You can't, presently. You can turn it off site-wide if you believe it will cause the downfall of the free Internet.
Internet (and search engines) is based on links. any attempt to discourage linking is against the nature of the Internet.
The solution to spamming is human monitoring and blacklists, not discouraging linking.
With this attribute, Wikipedia and all MediaWiki-based wikis will become useless to search engines.
You could use a Bayesian filter instead, it's much better and does great work.