In his commit Brion noted that when a spam link is already on the page, it can be duplicated and thus added in again.
I'm just posting this bug to note that behavior, and as a reminder to myself to come back, as I believe I may be able to eliminate this behavior.
Version: unspecified
Severity: minor
URL: http://svn.wikimedia.org/viewvc/mediawiki/trunk/extensions/SpamBlacklist/SpamBlacklist_body.php?r1=34769&r2=34768&pathrev=34769
See Also: