Last modified: 2011-03-13 18:05:34 UTC
When two people press the button simultaneously, a duplication may occur: 19:36, 26 April 2007 Guillom (Talk | contribs | block) changed group membership for User:Olve@nowiki from (none) to (none) 19:36, 26 April 2007 MaxSem (Talk | contribs | block) changed group membership for User:Olve@nowiki from sysop to (none)
Extension is obsolete and not used anymore, and this is a minor bug.