Re: Forms for subtag kmpre20c

> SIL has received a very comprehensive breakdown of languages on the
> Tibetan plateau, which included several "Tibetan" languages.

Interesting, what is the source of this?

> When I
> looked for documentation of these in the literature, however, I did not
> find sufficient literature to support the large breakout.

What kind of things are you looking for?

Last year https://www.degruyter.com/view/product/465653 was published,
it's the most comprehensive study on the topic so far. It's been
integrated in Glottolog, see
https://github.com/glottolog/glottolog/pull/311

> A couple of
> years ago, a Columbia University professor of Tibetan, on a small
> committee of Tibetanists asked for the information I had on Tibetan, and
> said he would bring a proposal from the academic community, but I have
> not heard from him since.

Ok, that's good to know

> I would welcome a proposal that was well-thought and has sufficient
> documentation. Please send it to the [email protected] address.

Sure, thanks a lot!

Best,
-- 
Elie