[OT] Inconsistence between emacs gnus and mozilla with chinese characters [Was: From a newbie: Mule-UCS installation and configuration]

Excuse if I'm posting a subject that is not properly concerning
mule-ucs problems: I couldn't get a solution from anywhere up to now.
Maybe someone from this ML might provide help.

Rodolfo Medina wrote:

> I want to use gnus as my mail agent and mozilla as web browser.
> I did experiments and noticed that the two are apparently
> inconsistent as concerned with chinese characters. I.e.:
>
> 1) I can properly send and receive mails 
>    (containing chinese characters input via scim) using emacs gnus;
> 2) I can properly input and read chinese characters 
>    in mozilla navigator once I've selected 
>    View > Character Encoding > Unicode (UTF-8);
>
> but:
>
> 1) if I compose and send to myself an e-mail via mozilla navigator
>    and collect it with gnus I can't read chinese characters;
> 2) vice versa, if I compose and send an e-mail via gnus 
>    and try to read it within Internet with mozilla navigator
>    I can't read chinese characters.
> Any idea about this problem?
> The same happens if I select *any* other chinese encoding system featured by 
> mozilla navigator.
> Besides,
>
> 1) if I compose and send to myself an e-mail via mozilla navigator
>    and collect it with MicroSoft Outlook I can't read chinese characters;
> 2) if I compose and send an e-mail via gnus 
>    and try to read it with MS Outlook I *can* properly 
>    read chinese characters.
>
> So, the following interactions work fine:
> gnus -> gnus; mozilla navigator -> mozilla navigator; gnus -> MS Outlook,
> whereas the following do not properly work:
> gnus -> mozilla navigator; mozilla navigator -> gnus;
> mozilla navigator -> MS Outlook.
> But I'm not interested in using MS Outlook, I just did a trial with it.
> I'm interested in using gnus and mozilla navigator or, in place of mozilla,
> some linux web browser that `agrees' with gnus in displaying chinese characters
> input via scim.
> Can you, Kenichi, or anyone else from this mailing list provide help or
> suggestion about this matter? Is the inconsistence normal or there's a way
> to work it out, and how?
> Let's do the experiment: I'm composing the present message with gnus;
> then I'll send to this list a second message composed with mozilla navigator,
> so that listers can see themselves what is displayed in what.


Jason Rumney wrote:

> Content-Type: text/plain; charset=iso-8859-1
>
> Your Mozilla has broken MIME charset support.


I downloaded and freshly installed the latest release of mozilla navigator,
but the problem remains.
Any suggestion about how to repair the mozilla broken charset support?

Thanks,
Rodolfo