On 1 Jul 2016 2:19 am, "Joseph Kiegel" <[log in to unmask]> wrote:
> The approach of creating variant subtags for specific editions of the ALA-LC romanization tables is outmoded, since the tables are now on the Web.
It is less than ideal, yes, but it was the only one that was proposed as a variant subtag. And no one has proposed a way to tag anything else.
It doesn't help that romanisation tables lacked good versioning information, etc.