const fmt.decimalDigits

5 uses

	fmt (current package)
		scan.go#L561: 	decimalDigits     = "0123456789"
		scan.go#L572: 	digits = decimalDigits
		scan.go#L617: 		return 0, decimalDigits + "_", false
		scan.go#L714: 	digits := decimalDigits + "_"
		scan.go#L734: 		for s.accept(decimalDigits + "_") {