func golang.org/x/text/language.isParadigmLocale
2 uses
golang.org/x/text/language (current package)
match.go#L630: paradigmReg := isParadigmLocale(tag.LangID, have.maxRegion)
match.go#L662: func isParadigmLocale(lang language.Language, r language.Region) bool {
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