<> <> <> <<>> GCCallBack: CEDAR DEFINITIONS ~ BEGIN <> <<>> <> <> <> <> <> <<>> <<>> RegisterBefore: PROC [proc: PROC [REF], clientData: REF ¬ NIL]; <> <> <<>> RegisterAfter: PROC [proc: PROC [REF], clientData: REF ¬ NIL]; <> <> <<>> END.