This is an archived snapshot of W3C's public bugzilla bug tracker, decommissioned in April 2019. Please see the home page for more details.
"The link is not public. You'd better specify it." We could do better than that.
http://lists.w3.org/Archives/Public/www-validator-cvs/2009Jan/0070.html now uses: 401 => "The link is not public and the actual resource is only available behind authentication. If not already done, you could specify it.", which I think is already much better.