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Re: [Last-Call] Genart last call review of draft-crocker-inreply-react-07

John Levine <johnl@taugh.com> Fri, 29 January 2021 20:53 UTC

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From: John Levine <johnl@taugh.com>
To: last-call@ietf.org
Cc: dcrocker@bbiw.net
In-Reply-To: <aae001e4-e69b-408d-1e76-871d2d3cd941@bbiw.net>
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Subject: Re: [Last-Call] Genart last call review of draft-crocker-inreply-react-07
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In article <aae001e4-e69b-408d-1e76-871d2d3cd941@bbiw.net> you write:
>> Probably, but I think it bears saying something about how to handle
>> code points without the Emoji property set.  IMHO they should be
>> handled as undisplayable.
>
>This steps into user interface design, more than interoperable emoji 
>labeling and transport.
>
>As such, it's outside of this specification and outside of the IETF's 
>expertise.

The Unicode consortium adds new emoji and combinations several times a
year, so depending on how often people update their software it is
common for a sender's and a recipient's systems to disagree about what
are valid emoji. This is not a tarpit we need to step in.

R's,
John

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