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I'm very sorry, but I really don't know much at all about the details of fair use policy, beyond that it's a difficult area (in that the Wikimedia Foundation has to be tough on this for legal reasons, but that its enforcement is contentious and difficult). May I suggest that you first try to discus with the issue with the editor who reverted, and if the two of you can't reach agreement that you ask  (talk) • (contribs) "