Edit ISSUE-230: Forced display

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  1. {agenda} TTWG Meeting 29/5/2014 (from nigel.megitt@bbc.co.uk on 2014-05-28) (from nigel.megitt@bbc.co.uk on 2014-05-28)
  2. Re: ISSUE-312 (forcedDisplay should be in ttm): forcedDisplay attribute is metadata so should be in ttm not tts namespace [TTML IMSC 1.0] (from nigel.megitt@bbc.co.uk on 2014-05-27) (from nigel.megitt@bbc.co.uk on 2014-05-27)
  3. {minutes} TTML Meeting of 24/10/13 (from glenn@skynav.com on 2013-10-24) (from glenn@skynav.com on 2013-10-24)
  4. RE: TTML Agenda for 24/10/13 (from mdolan@newtbt.com on 2013-10-23) (from mdolan@newtbt.com on 2013-10-23)
  5. TTML Agenda for 24/10/13 (from nigel.megitt@bbc.co.uk on 2013-10-23) (from nigel.megitt@bbc.co.uk on 2013-10-23)
  6. ISSUE-230 (Forced display): Forced display [TTML.next] (from sysbot+tracker@w3.org on 2013-05-30) (from sysbot+tracker@w3.org on 2013-05-30)

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I don't understand this use case. Why would an author explicitly mark content that a user can force to be displayed even though it is not active?

Glenn Adams, 30 May 2013, 20:14:05

[glenn]: perhaps add a 'force' role?

6 Jun 2013, 14:44:13

[pal]: use case: forces the display of those subtitles that are associated with klingon speech and that all users should see -- the other subtitles, e.g. english subtitle over english speech, should be shown only to those users that have elected to do so.

6 Jun 2013, 14:58:20

Pal: P2

Philippe Le Hégaret, 24 Oct 2013, 15:43:11

Move up to P1.

Planned use by IMSC. In use by CFF-TT. Widespread use in Blu Ray.

Suggest defining inheritable tts:forcedDisplay with the following properties
Values: false | true
Initial: false
Applies to: body, div, p, region, span
Inherited: yes
Percentages: N/A
Animatable: discrete

Pierre-Anthony Lemieux, 10 Nov 2013, 07:37:22


David Singer <singer@apple.com>, Nigel Megitt <nigel.megitt@bbc.co.uk>, Chairs, Thierry Michel <tmichel@w3.org>, Philippe Le Hégaret <plh@w3.org>, Staff Contacts
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