coda_at_bobich.net writes:

 > Sure, I understand that, but if that is a wire protocol issue, then 
 > presumably, if I use the same version of Coda (e.g. 6.9.3) on both the 
 > IA32 and the x86-64 machine, they will still communicate correctly. Or am 
 > I misunderstanding?

More authoritative answers appeared in the other thread, which I
didn't see until after I posted.  Please ignore my guesswork.