Hi Tom-san.
From: "Tom Lane" <tgl@sss.pgh.pa.us>
> Andrew Dunstan <andrew@dunslane.net> writes:
>> Since we rely on the OS to supply locale settings, getting a reliable
>> set of regression tests that depended on the locale would be close to
>> impossible. We really have to run the regression tests under --no-locale.
>
> This is quite untrue; we have variant regression files that exist
> specifically to support running the tests under various popular locales.
> As Hiroshi-san points out, --no-locale isn't even the default in the
> Unix makefile.
>
> Perhaps the Windows locales are different enough that what we have
> doesn't cover them?
Um, I was flipped off by you
http://archives.postgresql.org/pgsql-patches/2007-10/msg00070.php