See my preceding reply, which explored exactly that question.So I ask again, what are we trying to accomplish?
From the original requirement expressed in the RFC and from Tixy's
subsequent comments, it's clear that there are at least two distinct
purposes in people's minds: the one mentioned in the RFC which required
uniqueness for generating unique per-target data, and another purpose
related to feature sets. It was noted that the second of these is somewhat
My interest is in the simpler of these, the requirement expressed in the
RFC, because it is such a common need. Someone else will have to argue in
favour of the other if they feel it's important. The two could of course
be combined if the agreed data width permits.