Re: ISSUE-312 (forcedDisplay should be in ttm): forcedDisplay attribute is metadata so should be in ttm not tts namespace [TTML IMSC 1.0]

Agreed, this is not metadata. This feature needs discussion and proper
motivation.


On Thu, May 22, 2014 at 2:22 AM, Michael Dolan <mdolan@newtbt.com> wrote:

> This totally alters decoder processing.  Apparently it needs additional
> explanation, but it is not metadata.
>
> -----Original Message-----
> From: Timed Text Working Group Issue Tracker [mailto:sysbot+tracker@w3.org
> ]
> Sent: Wednesday, May 21, 2014 5:40 AM
> To: public-tt@w3.org
> Subject: ISSUE-312 (forcedDisplay should be in ttm): forcedDisplay
> attribute is metadata so should be in ttm not tts namespace [TTML IMSC 1.0]
>
> ISSUE-312 (forcedDisplay should be in ttm): forcedDisplay attribute is
> metadata so should be in ttm not tts namespace [TTML IMSC 1.0]
>
> http://www.w3.org/AudioVideo/TT/tracker/issues/312
>
> Raised by: Nigel Megitt
> On product: TTML IMSC 1.0
>
> The description of tts:forcedDisplay [1] does not define any change in
> processing behaviour so it appears to be metadata and should therefore be
> moved to the ttm: namespace.
>
> Incidentally the note in this section references "forcedDisplayMode" which
> is not defined anywhere.
>
> [1] http://www.w3.org/TR/ttml-imsc1/#tts-forcedDisplay
>
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