clNode_diff = 0x50, /* Difference of two classes */
clNode_isect = 0x60, /* Intersection of two classes */
clNode_mask = 0xF0, /* Mask for picking these out */
clNode_diff = 0x50, /* Difference of two classes */
clNode_isect = 0x60, /* Intersection of two classes */
clNode_mask = 0xF0, /* Mask for picking these out */