From: Asmus Freytag (firstname.lastname@example.org)
Date: Thu Apr 22 2004 - 15:41:02 EDT
At 10:44 AM 4/22/2004, Frank Yung-Fong Tang wrote:
>I saw the announcment of publishing
>" ISO/IEC 10646: 2003, Information technology --
> Universal Multiple-Octet Coded Character Set (UCS)"
>I expect there are no difference from Unicode 4.0, am I right?
In http://www.unicode.org/versions/Unicode4.0.0/appC.pdf you will find this
The Unicode Standard, Version 4.0, is synchronized with the third version
of ISO/IEC 10646. The third version of ISO/IEC 10646 is the result of the
merger of the second edition of Part 1 (ISO/IEC 10646-1:2000) with the
first edition of Part 2 (ISO/IEC 10646-2:2001) into a single publication.
The third version incorporates the published amendments to
10646-1 and 10646-2:
Amd. 1 (to part 1): Mathematical symbols and other characters
Amd. 2 (to part 1): Limbu, Tai Le, Yijing, and other characters
Amd. 1 (to part 2): Aegean, Ugaritic, and other characters
The third version of 10646 also contains all the Editorial Corrigenda to date.
The synchronization of The Unicode Standard, Version 4.0, with the third
version of ISO/IEC 10646 means that the repertoire, encoding, and names of
all characters are identical between the two standards at those version
levels, and that all other material from the amendments to 10646 that have
a bearing on the text of the Unicode Standard have been
taken into account in the revision of the Unicode Standard...
There have been no changes in 10646 between the time Unicode 4.0 was
released and the publication of ISO/IEC 10646:2003 that would make the
above statement incorrect.
However, the two standards are not entirely identical in glyphs. In
particular, the glyph for 21E45 in 10646 was modified from the 2001 edition
of ISO/IEC 10646-2, but that modification is incorrect and will be
retracted. There are also some Han character Errata for Version 4.0 which
have been fixed in 10646 but not yet in the Unicode code charts (however,
they are listed at http://www.unicode.org/errata).
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