var golang.org/x/text/language.errInvalidArgument

3 uses

	golang.org/x/text/language (current package)
		parse.go#L90: var errInvalidArgument = errors.New("invalid Extension or Variant")
		parse.go#L105: 				err = errInvalidArgument
		parse.go#L111: 				err = errInvalidArgument

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