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Re: Call for Consensus: publication of IMSC vNext Requirements as a WG Note

From: Glenn Adams <glenn@skynav.com>
Date: Fri, 13 Oct 2017 04:10:30 -0600
Message-ID: <CACQ=j+cd9ZjH25gO6BwS8LyT6g6sqfx3MQ2+cm+Rfoq5tsqzMg@mail.gmail.com>
To: Nigel Megitt <nigel.megitt@bbc.co.uk>
Cc: Timed Text Working Group <public-tt@w3.org>
Just reviewing this for first time, my comments:

   - would like to see a requirement to identify an IMSCvNext document as
   such, e.g., by using some combination of ttp:profile and/or ttp:version
   - surprised not to see the following included
      - ttp:displayAspectRatio
   - how will smpte:backgroundImage be mapped from 1.0.1 to use TTML2
   compatible features if support for TTML2 image element is not required? but
   perhaps it is not intended that this req doc list every new TTML2 feature
   that will eventually be required to support "deprecated" 1.0.1 features?
   - suggest adding ttp:version
   - tts:inlineAreaBreak?
   - tts:fontVariant is needed to select half vs full variants in Japanese
   text, and useful for sub/superscript as well;


On Fri, Oct 13, 2017 at 3:29 AM, Nigel Megitt <nigel.megitt@bbc.co.uk>
wrote:

> To assist with external communications about IMSC v1.1 it would be helpful
> if we could publish https://w3c.github.io/imsc-vnext-reqs/ as a WG Note
> as soon as possible.
>
> PROPOSAL: Publish https://w3c.github.io/imsc-vnext-reqs/ as a WG Note.
>
> I would like to make this a Resolution in the next TTWG call if there are
> no objections, with a planned publication date 1 week later (so the
> Decision policy review period effectively begins now). Any advanced
> positive confirmation in response to this call from sufficient active
> members, or indeed any objections, would be helpful in achieving a rapid
> decision.
>
> Kind regards,
>
> Nigel
>
>
>
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Received on Friday, 13 October 2017 10:11:14 UTC

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