 PRVS                                                                Menu: VIEW
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 Displays the previous view.
 (A nested command.)

         (no parameters)

 Description:
 This command allows the user to toggle between two views  the current and the
 previous. The system saves all the viewing parameters of the previous display.
 The previous view is returned with its original viewing structure (scale,
 shift, point of origin and rotation) unchanged.
 In order to save or display more than one view, see \sview and \lview
 commands.
