What’s an IETF discussion without a little pedanticism :)

You’re right, I was casual in my terms.

From: "[email protected]" <[email protected]>
Date: Tuesday, July 9, 2024 at 1:15 PM
To: Rich Salz <[email protected]>
Cc: "[email protected]" <[email protected]>, 
"[email protected]" 
<[email protected]>, "[email protected]" 
<[email protected]>, "[email protected]" <[email protected]>, Dino Farinacci 
<[email protected]>
Subject: Re: [Last-Call] Re: Secdir last call review of 
draft-ietf-lisp-name-encoding-08

On Jul 9, 2024 at 10:07:44 AM, "Salz, Rich" 
<[email protected]<mailto:[email protected]>> wrote:
UTF8 is upward compatible with ASCII.  That is, all seven-bit ASCII characters 
are valid UTF8 characters.

I don’t want to be pedantic here (sigh, anything involving Unicode always 
becomes pedantic) but Rich, it wouldn’t actually be a good idea to require 
“UTF-8”. What you want to require is UTF-8 encoded Unicode characters, and 
probably not all of them.  PRECIS in RFC8264 provides a fully-thought-through 
subset of Unicode for identifiers. If that’s too complicated, 
https://www.ietf.org/archive/id/draft-bray-unichars-09.html<https://urldefense.com/v3/__https:/www.ietf.org/archive/id/draft-bray-unichars-09.html__;!!GjvTz_vk!UWWuj0bWf0Oig_1IQnMSRBhNtcEXdIBELfWbGKRSEHD5feWyojI62tpJZLIkJdVCQGuudPHmihfXXg$>,
 now under AD sponsorship by Orie, provides a much simpler but still useful 
subset.
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