On Fri, Mar 11, 2011 at 09:07:35AM +0200, Dotan Cohen wrote: > I cannot reproduce that: That's because you forgot to call setlocale (LC_ALL, ""); first. Without that the comparison is done in C locale always. > #include <wchar.h> > #include <stdio.h> > > int main () { > printf("%d\n", wcscasecmp (L"hijkl", L"HIJKL")); > } As for why in tr_TR this is different, in tr_TR.UTF-8 wcscasecmp (L"hijkl", L"HİJKL") == 0 and wcscasecmp (L"hıjkl", L"HIJKL") == 0 (i.e. uppercase for i is LATIN CAPITAL LETTER I WITH DOT ABOVE and lowercase for I is LATIN SMALL LETTER DOTLESS I). This is especially problematic because i and I are single byte in UTF-8 while İ and ı are two byte. Jakub -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines