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Re: [PATCH] [BZ 17588 13064] Update UTF-8 charmap and width to Unicode 7.0.0

On 02/18/2015 08:19 PM, Joseph Myers wrote:
> There's also the matter of updating __STDC_ISO_10646__ in stdc-predef.h.
> Unicode 7.0 claims to correspond to ISO/IEC 10646:2012 plus amendments 1 
> and 2 (and one extra character).  Unfortunately I can find no sign of 
> amendment 2 ever having been published; it looks rather like it was 
> subsumed into ISO/IEC 10646:2014.  Wikipedia claims that corresponds to 
> Unicode 7.0 (which would imply 201409L as version), but I can't find any 
> authoritative information, either on the Unicode website or after looking 
> through lots of SC2 documents, to confirm if there are indeed no 
> characters in 10646:2014 that aren't in Unicode 7.0.

I have submitted a question to the Unicode Consortium to answer this.

Proving there are no characters in 10646:2014 that aren't in Unicode 7.0
is going to be a difficult slog. Someone from the relevant groups has
to answer the question for us.

I went through SC2 documents from the Canadian side and found that
10646:2012 amendement 2 did go to ITTF for FDAM and a summary of votes
shows it passed. However, it seems the secretariat changed at that point
and perhaps everything was delayed until the 2014 standard.


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