const encoding/pem.pemLineLength

4 uses

	encoding/pem (current package)
		pem.go#L185: const pemLineLength = 64
		pem.go#L188: 	line [pemLineLength]byte
		pem.go#L196: 	if l.used+len(b) < pemLineLength {
		pem.go#L206: 	excess := pemLineLength - l.used