[tz] Preparing to fork tzdb

dpatte dpatte at relativedata.com
Thu Sep 23 04:29:06 UTC 2021

I am aware that montreal was moved to back zone because its post 1970 data after research turned out to match toronto.But I have yet to get a clear answer as to whether we can request modifications to backzone records even if they only affect pre1970 clocks, and whether we can add new backzones for regions that differ before 1970. Sent from my Galaxy
-------- Original message --------From: Russ Allbery via tz <tz at iana.org> Date: 2021-09-22  23:06  (GMT-05:00) To: tz <tz at iana.org> Subject: Re: [tz] Preparing to fork tzdb dpatte via tz <tz at iana.org> writes:> I certainly never sugested that. In fact quite the opposite. But I> believe there should be AT LEAST one zone per iso country, and it was> the removal of the Montreal historical data a few years back that got me> started.It's frustrating when people keep saying things like this given that nodata has been removed.  I am literally looking at it right now in theGitHub repository.  It's right there.It becomes hard to tell if people are genuinely confused about this, if"removed" is shorthand for "my operating system stopped including thatzone," if "removed" means "I find it difficult to access now," or if it'sa rhetorical device to make the changes sound more severe and destructivethan they actually were to people who don't understand the true situation.But it's simply not true as stated.> Up until recently some of this data was available in the main tz> file. We need that back, with the ability to expand and improve it.I don't understand what you think is preventing you from expanding andimproving that data literally right now.  My understanding is that Paulhas said multiple times that if someone wants to do the thankless andtedious reserach to find more accurate historical data with references,patches will be reviewed and integrated.  Am I misremembering somehow?I completely understand that you are not happy with the default buildchoices or with the set of data that's shipped with major operatingsystems, and I'm not saying that you have nothing to be unhappy about.But I think it would lead to more constructive discussion if we coulddescribe the situation accurately and without exaggeration, and not claimthat data was deleted when it is still included in every release oftzdata.-- Russ Allbery (eagle at eyrie.org)             <https://www.eyrie.org/~eagle/>
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