Function: bitxor
Section: conversions
C-Name: gbitxor
Prototype: GG
Help: bitxor(x,y): bitwise "exclusive or" of two integers x and y.
 Negative numbers behave as if modulo big power of 2
Description: 
 (small, small):small:parens	$(1)^$(2)
 (gen, gen):int	gbitxor($1, $2)

