[no subject]

[HIC at MIT-MC (Howard I. Cannon)]

It turns out that SXHASH produces the same results for permutations of
a single list. The algorithm:

result <-- (rotate[sxhash[car],-1])+(sxhash[cdr])

To be unique under permuations it probably should be:
result <-- (sxhash[car])+(rotate[sxhash[cdr],-1])

So?