Need a locking model for people who like to lock topics.%_N_%%_N_%Locks need to be managed by Store, and a lock violation signalled by an exception.%_N_%%_N_%If you try to edit a locked topic, it should redirect to an oops:%_N_%%_N_%_You can edit this topic anyway, but your changes may end up being merged with the other users changes if they save while you are editing._%_N_%%_N_%If you confirm, it should use the original URL with ?breaklock=1. If you cancel it should redirect to view.%_N_%%_N_%There should be a check on the save as well:%_N_%%_N_%Instead of always a redirect to view, there should be a redirect to an oops:%_N_%%_N_%_You no longer own the lock on this topic, either because your lock expired and someone else saved, or because another user broke your lock. Your changes may have to be merged with their changes. Please inspect the final topic carefully to make sure it is as you want._%_N_%%_N_%OK should redirect to view%_N_%%_N_%---%_N_ded leasing model SVN 4350