on 12/28/99 5:07 AM, Michael Everson at email@example.com wrote:
> Ar 11:27 -0800 1999-12-27, scríobh John Jenkins:
>> For me, the AAT and OpenType mechanisms adequately answer this point, as
>> they allow full control over arbitrary (or automatic) ligature generation or
> But they don't because you can't predict for many instances what "default"
> "turning ligation on" could be. There _are_ no default ligatures for many
> scripts, times, documents, etc. And I know that the designer can add in a
> zillion levels of defaultness, but this is a clumsy kludge that burdens
> designer and user alike.
But AAT and OT don't restrict you to the defaults. The user has complete
control over what actually happens.
> Merle Tenney showed me how the AAT mechanisms work in a font workshop in
> London last year. I was impressed. And I have been thinking about it all
> this time. And impressive as it is, it doesn't satisfy my needs.
I still haven't seen any specific instances where it fails. Inasmuch as AAT
allows *exactly* the kind of behavior you've been asking for (other than
presence in plain text), I don't see why it fails as a model.
It turns on certain ligatures by default.
The user can turn these defaults off in specific instances and turn on other
ligatures in specific instances.
John H. Jenkins
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