<> <> <> <> DIRECTORY ViewerClasses USING [GetProc, SetProc]; CDViewerBase: CEDAR DEFINITIONS = BEGIN <> <<>> <> <> <<>> <<>> <<--To be used by the implementation of any particular op feature.>> ImplementGetProc: PROC [op: ATOM, proc: ViewerClasses.GetProc]; ImplementSetProc: PROC [op: ATOM, proc: ViewerClasses.SetProc]; <<--To be used by the implementation of ChipNDale's viewer class only.>> GetProc: ViewerClasses.GetProc; SetProc: ViewerClasses.SetProc; END.