From: fab on
> Another possibility is to open the file in binary mode and do the
> encoding yourself when writing text. This might actually be a better
> solution, since I'm not sure RTF uses utf-8 by default.

Yes, thanks for this suggestion, it seems the best to me. Actually RTF
is not UTF-8 encoded, it's 8-bit and maybe even ASCII only. Every
unicode char has to be encoded as an escape sequence (\u2022 for
example).

Thanks again.

--
Fabrice DELENTE