constmessage=nls.localize('cannotWorkspaceUndo',"Could not undo '{0}' across all files. {1}",element.label,element.invalidatedResources.createMessage());
constmessage=nls.localize('cannotWorkspaceUndoDueToChanges',"Could not undo '{0}' across all files because changes were made to {1}",element.label,paths.join(', '));
constmessage=nls.localize('cannotWorkspaceRedo',"Could not redo '{0}' across all files. {1}",element.label,element.invalidatedResources.createMessage());
constmessage=nls.localize('cannotWorkspaceRedoDueToChanges',"Could not redo '{0}' across all files because changes were made to {1}",element.label,paths.join(', '));