[clean-list] isLower isUpper

[Marco Kesseler]

>I pointed out that using setlocale(LC_CTYPE, "") tells <ctype.h> functions
>to use the "native" character set.
>
>"Marco Kesseler" <m.kesseler@aia-itp.com> wrote:
>	This would mean that the same application behaves differently on different
>	systems. Not very portable.
>
>I think there is a misunderstanding here.

Yes, I misunderstood. I completely agree with your reply.

I think this would make a nice "wish" in addition to Unicode support. 
With all the misunderstandings regarding codepages, encodings, 
locales and what not, it would be important to get this right.

regards,
Marco