'(', ')', '*', '+', ',', ';', '=', '%', '@':
			continue
		default:
			return false
		}
	}
	return true
}

// stringContainsCTLByte reports whether s contains any ASCII control character.
func stringContainsCTLByte(s string) bool {
	for i := 0; i < len(s); i++ {
		b := s[i]
		if b < ' ' || b == 0x7f {
			return true
		}
	}
	return false
}