What does POSIX say? (was Re: What TZ do you use to get right time w/ clockspeed?)

Ok, in case anybody cares about how this little debate is evolving,
I think the discussion has been brought to a close: Greg Woods on
the Postfix list surprised me with the assertion, which I don't care
to debate, that there aren't any practical POSIX implementations out
there; that what POSIX actually calls for is to keep the clock
anchored to the original epoch, but fail to advance it for leap
seconds, producing a sort of reverse bias, where the clock requires
the opposite correction from a TAI clock for leap seconds.

I retreat from that field astonished.

I almost regret having waded into these murky waters.

Cheers all, and thanks again for all the help clarifying things.

-Bennett

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