The documentation for CFStringUppercase says:

        locale

                A CFLocale object that specifies a particular language or
                region. Prior to Mac OS X v10.3, this parameter was an untyped
                pointer and not used.

                The locale argument affects the case mapping algorithm. For
                example, for the Turkish locale, case-insensitive compare
                matches “I” to “ı” (Unicode code point U+0131, Latin Small
                Dotless I), not the normal “i” character.


Prior to 10.3, the parameter was unused and NULL was always passed.

The documentation doesn’t specify what the case mapping behavior is if NULL is 
passed for a locale. What is the behavior in that case? (Current locale? System 
locale?)

- Jim_______________________________________________

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