Gdm and user localization

[Alberto Rizzi]

Joe Marcus Clarke ha scritto:
> On Thu, 2007-08-30 at 16:03 -0300, Thiago wrote:
>> 2007/8/30, Joe Marcus Clarke <marcus at marcuscom.com>:
>>> The language can be set in your session configuration.
>> This will change the language of the gnome session, but not of gdm itself.
> 
> For setting the language for GDM itself, you will need to do this in the
> gdm rc.d script.
> 
> Joe
How?

Seems that gdm use the system default language, but how can I set the
system default language?

I can set the user language (in .login_conf) or the user-class language
(in login.conf) but how can I set a system default language?

Through an environment variable?