(***** * * This file defines operations on the Scheduler Tool Edit menu * *) module MenuEdit; from Ws import Workspace; operation Undo inputs: Workspace; outputs: Workspace; description: (* Reverts last changed item in the Workspace to its previous state *); end Undo; operation Redo inputs: Workspace; outputs: Workspace; description: (* Redoes the last undone item in the Workspace *); end Redo; end MenuEdit;