You've split threads so I can't see the history of discussion here.
On 8/23/07, Anthony wikimail@inbox.org wrote:
Joint authors, in the absense of a joint authorship agreement, can grant any non-exclusive license to anyone.
Our articles aren't joint authorship in that sense. Each editor is an independent licensee of the previous copyright holding editors who, under the permissions of the license, creates and publishes a derivative under the same license.