[fpc-pascal] FPC 3: disabling automatic AnsiString codepage conversionx

[tobiasgiesen at gmail.com]

> OK, I just confirmed. Adding clocale to my 5-line test program doesn't
> affect the DefaultSystemCodePage result, but as soon as I add cwstring
> to the uses clause, then DefaultSystemCodePage returns 65001.

On Mac, not even cwstring does that. It sets the DefaultSystemCodePage
to 20127.

So, on Mac, the DefaultSystemCodePage is not "typically" set to UTF_8.
It is never set to UTF_8 unless you do it yourself.

Cheers,
Tobias