Ah.  This is more difficult.  When packing (implicitly big-endian) bitvectors into bytevectors, it is not so clear where the padding bits go.  Strict reversal would put them in byte 0, but the last byte would also be a plausible place.

John Cowan          http://vrici.lojban.org/~cowan        xxxxxx@ccil.org
What is the sound of Perl?  Is it not the sound of a [Ww]all that people
have stopped banging their head against?  --Larry