[fpc-pascal] Case insensitive comparison of strings with non-ascii characters

[Luiz Americo Pereira Camara]

Hi,

I'm trying to fix bug http://bugs.freepascal.org/view.php?id=14135 but 
could not get a way to do case insensitive comparison of UTF8 strings 
with non ascii characters (in the test even ansi strings failed).

See the attached test program. I tried StrIComp, AnsiCompareText, 
CompareText and even widestringmanager.CompareTextWideStringProc.

On Linux, only AnsiCompareText worked. On Windows none worked.

Any hints on how to do such comparison or this is a limitation of  
current fpc? Or i'm doing something wrong?

BTW:

Key := 'ç';

Key will be encoded in the current system encoding Ok?

Key := Utf8Encode('ç');

'ç' will be converted to widestring and then back to Utf8 Ok?

Luiz
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