[Bug localedata/14094] Update locale data to Unicode 7.0.0
maiku.fabian at gmail dot com
sourceware-bugzilla@sourceware.org
Mon Nov 24 11:28:00 GMT 2014
https://sourceware.org/bugzilla/show_bug.cgi?id=14094
--- Comment #32 from Mike FABIAN <maiku.fabian at gmail dot com> ---
(In reply to Mike FABIAN from comment #23)
> 3) it does not put some characters like:
>
> upper: Missing: ᾈ 0x1f88 GREEK CAPITAL LETTER ALPHA WITH PSILI AND
> PROSGEGRAMMENI
>
> into “upper”. Surprisingly,
>
> “U+1F88 ᾈ GREEK CAPITAL LETTER ALPHA WITH PSILI AND PROSGEGRAMMENI”
> is *not* listed as “Uppercase” in
> http://www.unicode.org/Public/7.0.0/ucd/DerivedCoreProperties.txt .
>
> Although U+1F80 seems to be Uppercase according to
> http://www.unicode.org/Public/7.0.0/ucd/UnicodeData.txt
> because it has a tolower mapping to U+1F80:
>
> 1F80;GREEK SMALL LETTER ALPHA WITH PSILI AND YPOGEGRAMMENI;Ll;0;L;1F00
> 0345;;;;N;;;1F88;;1F88
> 1F88;GREEK CAPITAL LETTER ALPHA WITH PSILI AND
> PROSGEGRAMMENI;Lt;0;L;1F08 0345;;;;N;;;;1F80;
>
> So this might be a bug in DerivedCoreProperties.txt.
It is not a bug in DerivedCoreProperties.txt, I asked on the Unicode
mailing list:
http://www.unicode.org/mail-arch/unicode-ml/y2014-m11/0010.html
So these are actually title case as well.
That means, because of the restrictions of ISO C 99, these title
characters should be both in the “upper” and “lower” character class
in LC_CTYPE (my gen-unicode-ctype.py from comment#28 does this).
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