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ref: be3a483d03c798835baa67735cfbbfbc6dda90f0 parent: 0ea58225b89ddcb1e38e57b350df2ea4ccb7ed7b author: rrt <rrt> date: Wed Dec 27 10:31:25 EST 2006
Add a "delete" method to effects. For now, set all of them to st_effect_nothing.