Yes, but since you never want to reuse the nonce (at least not with the same key; and no one stores nonces for later use), they are 1:1 to the message, suggesti

Yes, but since you never want to reuse the nonce (at least not with the same key; and no one stores nonces for later use), they are 1:1 to the message, suggesting it would have been less error-prone to encode it in the box. I had the impression NaCL was about being highly opinionated, so this choice surprised me.