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Whether we have a standard or will create a standard to create tz list?

And Paul Eggert told me why this particular list was made: https://data.iana.org/time-zones/theory.html#naming ("the naming conventions attempt to strike a balance among the following goals") but through the discussions I found, I feel that they are very confusing because they think Asia/Hanoi still exists, and I don't know why Hanoi is in the backzone. I will learn more about this because the tz list is really confusing.