const crypto/ed25519.domPrefixPh

3 uses

	crypto/ed25519 (current package)
		ed25519.go#L103: 		sign(signature, priv, message, domPrefixPh, context)
		ed25519.go#L201: 	domPrefixPh = "SigEd25519 no Ed25519 collisions\x01"
		ed25519.go#L282: 		if !verify(publicKey, message, sig, domPrefixPh, opts.Context) {