Evan Martin wrote:
You can't control off-wikipedia links to deleted
pages, either.
Definitely prefer the meta tags.
See also:
http://www.google.com/webmasters/remove.html
We've discussed adding a parser tag such as __NOINDEX__, which would cause the
necessary meta tag to
appear in the header, but we were worried about abuse, such as using it to mark POV
disputes, sneaky
vandalism, misguided attempts to systematically de-index the entire wikipedia namespace,
that sort
of thing.
-- Tim Starling