Re: xor of unicode strings

On Wed, 21 Apr 2004, Bernie Cosell wrote:

> I'm not sure if this is 'fun', but it might be at least curious: I don't
> have a UTF-8 system handy to try, but I'm wondering: what happens with
> the string-xor operator on UTF-8 strings.  It obviously cannot work byte-
> by-byte, but it seems like it is going to be a bit tricky figuring out
> what you get when you xor a 1 byte character with a 2-byte one [I guess
> what it would have to do to be 'correct' would be to convert the UTF to
> "real Unicode", XOR the 32-bit "characters" together, and then compress
> that resulting "character" back to UTF-8...

You got it!  What happens with ~ is somewhat more complicated...