ISSUE-160: Centered flush left captions

Centered flush left captions

Centered flush left captions

State:

CLOSED

Product:

TTML2

Raised by:

Sean Hayes

Opened on:

2012-02-15

Description:

In common captioning practice it is often required to position each caption horizontally (often centered), while retaining flush left justification of the text.

While it is technically possible to do this in TTML 1.0 e.g. using a named region for each <p> element, or a sequence of <set> elements, it is verbose, and also complex to generate this on the fly (e.g. from a 608 source file).
Furthermore since regions can only be positioned from the top left edge, positioning such regions requires explicit knowledge of their width (which is content dependant).

In CSS, the margin feature allows this kind of positioning, this should be added. Consider whether margins should be added, as well as some kind of content dependant width value.

Related Actions Items:

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Related emails:

1. {minutes} Halloween TTML Meeting and Thank You Sean (from plh@w3.org on 2013-10-31)
2. {minutes} TTML Agenda for 5/4/12 (from glenn@skynav.com on 2012-04-05)
3. {status} [was Re: TTML Agenda for 8/3/12] (from glenn@skynav.com on 2012-03-08)
4. [TTWG] Draft Minutes (was: Re: TTML Agenda for 1/3/12) (from glenn@skynav.com on 2012-03-01)
5. Re: TTML Agenda for 23/2/12 (from geoff_freed@wgbh.org on 2012-02-22)
6. Re: TTML Weekly meetings (from glenn@skynav.com on 2012-02-16)
7. ISSUE-160 (Centered flush left captions): Centered flush left captions [DFXP v.next] (from sysbot+tracker@w3.org on 2012-02-15)

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