| From: | Jeff Davis <pgsql(at)j-davis(dot)com> |
|---|---|
| To: | Daniel Verite <daniel(at)manitou-mail(dot)org>, Peter Eisentraut <peter(at)eisentraut(dot)org> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Vik Fearing <vik(at)2ndquadrant(dot)fr> |
| Subject: | Re: Does UCS_BASIC have the right CTYPE? |
| Date: | 2023-10-26 22:48:26 |
| Message-ID: | 71c4418d44f8f677d5479b8aa8fb76268b975f0f.camel@j-davis.com |
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| Lists: | pgsql-hackers |
On Thu, 2023-10-26 at 23:22 +0200, Daniel Verite wrote:
> Neither does Unicode, which is why the ICU functions like u_isupper()
> or u_toupper() don't take a locale argument.
u_strToUpper() accepts a locale argument:
https://unicode-org.github.io/icu-docs/apidoc/dev/icu4c/ustring_8h.html#aa64fbd4ad23af84d01c931d7cfa25f89
See also the part about tailorings here:
https://www.unicode.org/versions/Unicode15.1.0/ch03.pdf#G33992
Regards,
Jeff Davis
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