Language subtag registration for acor1990 (ammended from ao1990)

[Philip Newton]

On Wed, Aug 24, 2011 at 20:04, Doug Ewell <doug at ewellic.org> wrote:
> Maybe 'pt1971' and 'pt1990' are what are needed.

So you'd have "pt-pt1971" as the combined tag? That seems a bit...
redundant, somehow. Though I admit it *would* make it easier to find
the right subtag and to associate the subtag with the right idea.

Cheers,
Philip
-- 
Philip Newton <philip.newton at gmail.com>