const golang.org/x/text/language.All

5 uses

	golang.org/x/text/language (current package)
		language.go#L99: 	All = BCP47 | Legacy | Macro
		match.go#L297: 		max, _ = canonicalize(All, max)
		match.go#L720: 		if tag, _ = canonicalize(All, tag); tag.ScriptID != 0 || tag.RegionID != 0 {

	golang.org/x/text/internal
		match.go#L35: 		ct, err := language.All.Canonicalize(tag)
		match.go#L50: 		ct, err := language.All.Canonicalize(t)

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