4.3.5 SLMGN

1.
Function
Places the specified margins in all frames on each level.
2.
Call
CALL SLMGN(XL,XR,YB,YT)
3.
Explanation of Parameters
XL, XR, YB, YT (R) The left-hand, right-hand, bottom, and top margins, respectively. The left- and right-hand margins are specified in ratio to the horizontal width (of 1), and the bottom and top margins are specified in ratios to the vertical width (of 1).
4.
Notes
(a)
Must be:  0>=XL, XR, YB, YT<=1 and XL+XR<1, YB+YT<1.