Addition request: alsatian

[Stephane Bortzmeyer]

On Thu, Jan 03, 2008 at 10:52:01PM -0800,
 Doug Ewell <dewell at roadrunner.com> wrote 
 a message of 49 lines which said:

> >2) A search problem: there is no easy way in the registry to find a 
> >tag for alsatian. 
[...]
> Type: language
> Subtag: gsw
> Description: Alemannic
> Comment: gsw-FR represents the Alsatian dialect

That seems a possible solution. What do other people think of it? For
me, it could be a reasonable choice.