func golang.org/x/text/language.regionGroupDist

3 uses

	golang.org/x/text/language (current package)
		match.go#L565: 		_, sameGroup := regionGroupDist(m.pinnedRegion, have.maxRegion, have.maxScript, m.want.LangID)
		match.go#L622: 	regGroupDist, sameGroup := regionGroupDist(have.maxRegion, maxRegion, maxScript, tag.LangID)
		match.go#L673: func regionGroupDist(a, b language.Region, script language.Script, lang language.Language) (dist uint8, same bool) {