Modifies a rectangle to be a union of itself and another rectangle.
graphics-ports
union-rectangle rectangle left top right bottom => rectangle
rectangle
A rectangle.
left
A real number.
right
top
bottom
The macro union-rectangle modifies the rectangle to be the union of rectangle and ( left top right bottom ).
union-rectangle
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CAPI User Guide and Reference Manual (Macintosh version) - 25 Feb 2015