John J Foerch scripsit:

> I had in mind that these options would be provided via optional
> chronologies, not as the base chronology.

A base chronology is one that isn't just produced by changing the
time zone or the transition date.  Besides ISO, Gregorian, Julian,
and TAI, other examples are Hebrew, Islamic, Martian, etc. etc.
ISO is international, so it's required.  The others are optional to
the implementation.

--
Eric Raymond is the Margaret Mead               John Cowan
of the Open Source movement.                    cowan@ccil.org
        --Bruce Perens,                         http://www.ccil.org/~cowan
          some years ago

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