Re: [HACKERS] Bug #659: lower()/upper() bug on

Tatsuo Ishii wrote:
>
> > > Are you sure that say, de_DE.utf8 locale produce meaningful results
> > > for any other languages?
> >
> > there are often subtle differences, but upper() and lower() are much
> > more likely to produce right results than collation order or date/money
> > formats.
> >
> > in fact seem to be only 10 distinct LC_CTYPE files for ~110 locales with
> > most european-originated languages having the same and only
> > tr_TR, zh_??, fr_??,da_DK, de_??, ro_RO, sr_YU, ja_JP and ko_KR having
> > their own.
>
> I see. So the remaining problem would be how to detect the existence
> of *.utf8 collation at the configure time.
>
> > > If so, why are there so many *.utf8 locales?
> >
> > As I understand it, a locale should cover all locale-specific issues
> >
> > > > btw, does Japanese language have distinct upper and lower case letters ?
> > >
> > > There are "full width alphabets" in Japanese. Thoes include not only
> > > ASCII letters but also some European characters.
> >
> > Are these ASCII and European characters uppercased in some
> > Japanese-specific way ?
>
> Probably not, but I'm not sure since my Linux box does not have *.utf8
> locales.

Could you give me the UTF-8 bytecode for one japanese upper case char and
for the same char the lower case?
I will check in de_DE locale if this translations works.

Michael