NAME
    OrRectRegion -- Perform 2d OR operation of rectangle
                   with region, leaving result in region.
SYNOPSIS
    status = OrRectRegion(region,rectangle)
      d0                    a0      a1
    BOOL OrRectRegion( struct Region *, struct Rectangle * );
FUNCTION
    If any portion of rectangle is not in the region then add
    that portion to the region.
INPUTS
    region - pointer to Region structure
    rectangle - pointer to Rectangle structure
RESULTS
    status - return TRUE if successful operation
             return FALSE if ran out of memory
BUGS
SEE ALSO
    AndRectRegion() OrRegionRegion() graphics/regions.h