[tz] OpenJDK/CLDR/ICU/Joda issues with Ireland change
Paul Eggert
eggert at cs.ucla.edu
Fri Jan 26 00:35:16 UTC 2018
On 01/25/2018 03:25 AM, Stephen Colebourne wrote:
> Therefore, there are 8 possible combinations to consider:
>
> - new code, new TZDB, new CLDR - works fine
> - new code, new TZDB, old CLDR - wrong names
> - new code, old TZDB, new CLDR - wrong names
> - new code, old TZDB, old CLDR - works fine
>
> - old code, new TZDB, new CLDR - code may fail
> - old code, new TZDB, old CLDR - code may fail & wrong names
> - old code, old TZDB, new CLDR - wrong names
> - old code, old TZDB, old CLDR - works fine
This list of combinations is assuming a particular transition method. lf
we use a different method we can avoid the failures that it mentions.
One approach is to have an intermediate CLDR that is compatible with
both the old and the new TZDB. I just now suggested something along
those lines here:
https://mm.icann.org/pipermail/tz/2018-January/026002.html
Perhaps that idea wouldn't work as-is, but I'm sure that something along
those lines would work.
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