Michel,

SET SEPARATOR is applicable only to @SAY / @GET (as I understand things), so your test is not really valid.
Also, this limitation may not help you, of course.

regards,
Jim N

>>I'm sure I'm *not* understanding your problem, but I thought I would contribute anyways.
>>Are you looking for SET SEPARATOR? [used to specify the separator char. for thousands, millions, etc. and scopes to current data session].
>
>Yes, but even if I apply this command or if I go in the Tools/Setup regional, this won't change anything. Whenever I do a simple command as ? 23423223.22, I won't see the separator nor in the browse, etc.