Language Variant subtags for Sanskrit

[Arthur Reutenauer]

>               There is a second facet to this, which is that "de-CH" can be
> confused with a completely different language, "gsw".

  And actually is, see http://tug.org/pipermail/tex-hyphen/2008-July/000300.html
where the language at hand is clearly de-CH, but the poster wants to tag
it gsw (I failed to react in time then, but he abandoned the idea
anyway).

	Arthur