Question about “Uppercase” in DerivedCoreProperties.txt

[Steffen Nurpmeso]

Philippe Verdy <verdy_p at wanadoo.fr> wrote:
 |glibc is not more borken and any other C library implementing toupper and
 |tolower from the legacy "ctype" standard library. These are old APIs that
 |are just widely used and still have valid contexts were they are simple and
 |safe to use. But they are not meant to convert text.

Hah!  Legacy is good..  I'd wish a usable successor were already
standardized by ISO C.

--steffen