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Re: [I18ndir] Study Group on Use of Emoji as Second Level Domain

"Marc Blanchet" <marc.blanchet@viagenie.ca> Fri, 08 March 2019 14:59 UTC

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From: Marc Blanchet <marc.blanchet@viagenie.ca>
To: John C Klensin <john-ietf@jck.com>
Cc: IETF I18N Directorate <i18ndir@ietf.org>
Date: Fri, 08 Mar 2019 09:59:16 -0500
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Subject: Re: [I18ndir] Study Group on Use of Emoji as Second Level Domain
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>
> (3) I've looked briefly at UTR#46 for Unicode 12
> (https://www.unicode.org/reports/tr46/ and
> https://unicode.org/Public/idna/12.0.0/IdnaMappingTable.txt and
> it still allows emoji (or at least a considerable number of them
> -- I haven't spotted any exceptions).  Because (except for
> earlier emoticons) they are prohibited by IDNA2003

not sure that IDNA2003 prohibited them specifically because at that 
time, we were using Unicode 3.2 as the base and emojis did not exist. 
And all « Unassigned » code points were giving some direction 
(store/query) but was underspecified essentially.

> as well as
> IDNA2008, there should be no further pretense that it is about
> "transition".  Instead, it is a third, orthogonal, standard.

The Unicode IDNA mapping table such as 
https://unicode.org/Public/idna/12.0.0/IdnaMappingTable.txt but all 
versions down to 6.X  (see 
https://unicode.org/Public/idna/6.0.0/IdnaMappingTable.txt) actually 
make emojis « valid » for the purpose of TR46. So this is not so 
much news.

Marc.

> It
> also causes a nasty problem (and ambiguity in that spec) for ZWJ
> and JZNJ, the former of which has a special interpretation for
> emoji that I'll leave as an exercise.
>
> Madness.  I hope those who are at the ICANN meeting,
> particularly Harald (as IETF liaison) and Patrik will be
> explaining that to relevant parties.
>
>     john
>
>
> --On Friday, March 8, 2019 10:15 +0000 "Martin J. Dürst"
> <duerst@it.aoyama.ac.jp> wrote:
>
>> Dear I18N Directorate members,
>>
>> I don't want to interrupt Harald's important work on our
>> review, and  would like the topic of this mail to be treated
>> as a separate topic,  with less priority.
>>
>> Because ICANN meets next week (starting already tomorrow my
>> time, i.e.  already this Friday for some of you) in Kobe,
>> Japan, I at one point was  considering attending. I had to
>> abandon that plan because of other  committments, but as a
>> result of looking at the schedule carefully, I  found the
>> following:
>>
>> https://64.schedule.icann.org/meetings/962146
>> ccNSO: Study Group on Use of Emoji as Second Level Domain
>> ...
>
>
>
>
> -- 
> I18ndir mailing list
> I18ndir@ietf.org
> https://www.ietf.org/mailman/listinfo/i18ndir

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