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