Comment # 4 on bug 968631 from Dr. Werner Fink

(In reply to Egbert Eich from comment #3)

Just had given an answer via mail

(In reply to Egbert Eich from comment #2)

Hmmm ... unsetting the arguments may fool some of the DM�s own session scripts
which might use these arguments.

Also it might be an idea to prefix GDM_LANG with the `export � tag.

A long time ago I had indeed tested out several DM�s and the arguments they had
used together with their scripts.  Maybe this had changed meanwhile.