John Hudson wrote:
the OpenType 'language system' tags are better understood as typographic
system tags, and it is not clear to me that it would always be possible
or desirable to link a particular OT typographic tag to a particular
Plane 14 language tag -- or, indeed, to any language tag John Hudson
This may serve as an example for Doug's argument #8: "Other, as yet un- invented tags would be implicitly deprecated."
Best wishes, Otto Stolz
