OSIZE                                                              Menu: WALLS
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Modifies the size of a wall opening.

        1.   (NUM) new width & height of opening
             (NUM)
        2. * (IND) opening to change
        3. * (Y/N) confirm choice

Description:
This command modifies the size of a wall opening. The current opening size is
displayed as the default value. You may enter new dimensions for the opening
(width and height), indicating the opening you want to modify. The indicated
opening immediately assumes the specified dimensions.
You are prompted to modify additional openings until you enter a new command.
