const crypto/ed25519.domPrefixCtx

3 uses

	crypto/ed25519 (current package)
		ed25519.go#L110: 		sign(signature, priv, message, domPrefixCtx, context)
		ed25519.go#L204: 	domPrefixCtx = "SigEd25519 no Ed25519 collisions\x00"
		ed25519.go#L290: 		if !verify(publicKey, message, sig, domPrefixCtx, opts.Context) {