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Re: [ttml2] condition attribute

From: Nigel Megitt <nigel.megitt@bbc.co.uk>
Date: Wed, 26 Nov 2014 09:02:06 +0000
To: Glenn Adams <glenn@skynav.com>, TTWG <public-tt@w3.org>
Message-ID: <D09B46CE.16EB8%nigel.megitt@bbc.co.uk>
Hi Glenn,

Is there any difference between setting the condition attribute of a body, div, p, region or span to "false" and setting the tts:display style attribute to "none"?

If not, perhaps we should consider deprecating tts:display.

Kind regards,


From: Glenn Adams <glenn@skynav.com<mailto:glenn@skynav.com>>
Date: Wednesday, 26 November 2014 02:03
To: TTWG <public-tt@w3.org<mailto:public-tt@w3.org>>
Subject: [ttml2] condition attribute
Resent-From: <public-tt@w3.org<mailto:public-tt@w3.org>>
Resent-Date: Wednesday, 26 November 2014 02:04

I've added support for a generic 'condition' attribute [1][2], available for use with any element type except profile matter vocabulary.

While the primary syntax is now drafted, additional details regarding semantics of condition expression processing semantics will be needed. But that can be safely done after FPWD.

[1] https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml2/spec/ttml2.html#content-attribute-condition

[2] https://dvcs.w3.org/hg/ttml/rev/0933a6108611

Received on Wednesday, 26 November 2014 09:02:37 UTC

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