|void frame (frameon, ftick)||GRIDOPTS.C||Level 1|
|int frameon||= 1 to draw a frame around the axis area. The default is 0, off.|
|int ftick||= 0 for no tick marks around the frame
= 1 to add tick marks around the frame.
|frame() allows you to put a box around the axis area. The x and y axes are replotted at their maximum values. frame() must be called before any calls to axis drawing routines.|