Re: Does UCS_BASIC have the right CTYPE? - Mailing list 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