15.64.35.4  Example  - The following commands are equivalent:  
     TD:SET LIMITS X FROM 0 to 10.0 Y 5 6
     TD:SET LIMITS X 0 10 Y FROM 5.0 to 6.0
     TD:SET LIMITS XMIN=0.0 XMAX=10.0 YMIN=5 YMAX=6
     TD:SET LIMITS FROM 0.0,5 TO 10.0,6
     TD:SET LIMITS FROM Y=5 X=0.0 TO Y=6 X=10.0