const golang.org/x/text/internal/language.nonCanonicalUnd

3 uses

	golang.org/x/text/internal/language (current package)
		coverage.go#L13: 		if i != nonCanonicalUnd {
		lookup.go#L107: 				if id == nonCanonicalUnd {
		tables.go#L21: const nonCanonicalUnd = 1201