RFR: 8339803: Acknowledge case insensitive unambiguous keywords in tzdata files [v2]

[Naoto Sato]

On Tue, 10 Sep 2024 22:17:51 GMT, Justin Lu <jlu at openjdk.org> wrote:

>> Naoto Sato has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   tz files aligned with the default TzdbZoneRulesProvider list
>
> make/jdk/src/classes/build/tools/cldrconverter/CLDRConverter.java line 1375:
> 
>> 1373:         Files.walk(Path.of(tzDataDir), 1, FileVisitOption.FOLLOW_LINKS)
>> 1374:             .filter(p -> p.toFile().isFile())
>> 1375:             .filter(p -> p.getFileName().toString().matches("africa|antarctica|asia|australasia|backward|backzone|etcetera|europe|factory|northamerica|southamerica"))
> 
> I am just curious, why is this needed?

It would otherwise scan all files under the directory, and fails with `iso3166.tab` or `zone.tab`, which include "LI" as the country code at the beginning of the line, that interfere with "Link" match.
Having said that, the default list was different from the one in `TzdbZoneRulesProvider`. I removed extra file names.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20940#discussion_r1752889391