COPY FROM on Windows and accentuated characters in the file path

Hi,

Using COPY FROM doesn't work if the path of the file has accentuated=20
characters : command doesn't find the file.
COPY FROM 'C:/import/pr=E9noms/datas.txt' is so impossible.

Is there a turnover ?

PG 8.4, Windows XP

Thanks
Regards,
--
Thierry Hauchard