RE: Language characters

[martyn 2 russell bt com]

> > > I have a bug in my application where someone sends me 
> > umlauts and it is not
> > > displayed correctly, see the bug here:
> > http://sourceforge.net/tracker/index.php?func=detail&aid=77125
> 9&group_id=646
> > 00&atid=508042
> >
> > The GtkTextView complains that it is not valid UTF8.  I thought umlauts
were
> > supported in UTF8.
>
> Please read:
>
>  http://developer.gnome.org/doc/API/2.0/gtk/gtk-question-index.htm,
> question 1.7
>  
>  http://developer.gnome.org/dotplan/porting/ar01s10.html#gtk-utf8

Ok, I have read that and it makes sence, BUT, if I receive umlauts and they
are not valid UTF8, and I then proceed to use g_convert, how do I know if it
is text from a socket which character set I should be from (into UTF8)? 

Regards,
Martyn