ZOOMUNDO_ON - ZOOMUNDO_OFF
ManualZOOMUNDO_ON and ZOOMUNDO_OFF control whether ZOOM commands participate in UNDO.
Syntax: ZOOMUNDO_ON or ZOOMUNDO_OFF
Enable zoom undo when view changes should be stepped back with UNDO. Disable it when UNDO should affect drawing operations only.
Related commands: ZOOM, UNDO, PREVIOUS.
Undo: No.