I happen to use Edgy with backport repos enabled. I don't know whether the package with wrong rules came from backports or not, but in any case those rules have to be altered, at least for Edgy (because it is actually Edgy that gets broken about this).
-- Error in libgphoto2 udev rules https://launchpad.net/bugs/91250 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs