Bryan Smith mentioned this to All:
 BS> My understanding is that XOR flips a bit in Canvas.Pixels if that bit is
 BS> set in the mask $00FFFFFF, or leaves it alone if that bit is not set.
XOR will result in 1 if and only if one of the two operands is 1.
        0 XOR 0 = 0
        1 XOR 0 = 1
        0 XOR 1 = 1
        1 XOR 1 = 0
                                ...Gary Weinfurther
--- GoldED 2.41
---------------