Correction to above information: php-gettext-languages ships four JSON data files. - languages - scripts - territories - plurals
Only plurals is from the cldr-core data (in supplemental folder). The other 3 are from cldr-localenames-modern/main. So only 1 of the 4 files could be generated from unicode-cldr-core package. We would need a "unicode-cldr-localenames" package for the others.
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Description: OpenPGP digital signature