Re: RFC 2534 list of ua-media and paper-size values

Graham Klyne <[email protected]> Fri, 15 Oct 1999 21:08:18 +0100
Newsgroups gmane.ietf.medfree
Message-ID <[email protected]>
At 18:10 15/10/99 +0200, Koen Holtman wrote:

>In this particular case, however, I agree that merging them is an
>appropriate way to go currently, as there are no deployed uses of the
>ua-media tag (I know of) yet.

ua-media is cited by RFC 2531 (Internet fax feature schema).  I don't know
about deployment, but I understand there are fax engineers working on it.

>Transforming the ua-media value set into an open-ended set, to which
>new values can be added at will in future even after some deployment,
>is a much bigger step, and one that I would not want to take.  There
>is a definite advantage to application and content authors in having a
>small, stable set of values with a guarantee that, for example, a
>value like 'screen' will not be superceded by 3 alternative other
>values in future.

I agree that superseding existing values would be poor form, but adding new
values for new media is something I would expect to happen over time.

#g

------------
Graham Klyne
([email protected])