IDN with Gemini?

[Stephane Bortzmeyer]

On Sun, Dec 06, 2020 at 05:11:48PM +0000,
 colecmac at protonmail.com <colecmac at protonmail.com> wrote 
 a message of 21 lines which said:

> As for Unicode normalization, I feel like that's complex, annoying,
> and hopefully out-of-scope. There should be one Unicode string for
> each domain only, and I really don't want to have to deal with
> anything else.

Well, OK so let's settle with NFC for everybody? (Since this is what
RFC 5198 says.)