ISSUE-348: Make metric optional in offset-time form of time expressions.

Make metric optional in offset-time form of time expressions.

State:
CLOSED
Product:
TTML2
Raised by:
Glenn Adams
Opened on:
2014-09-23
Description:
In SMIL and SVG, time expressions that employ the offset-time form may elide the metric component, in which case 's' (seconds) is implied. This change will improve interoperability with existing W3C practice by reducing differences that need to be accounted for by authors. Note, however, that TTML2 documents that employ this minimization technique will not otherwise be compatible with TTML1 without first transforming the document to add the default 's' metric. Given that TTML2 documents are already not backwards compatible with TTML1 in a variety of ways, this does not establish a precedent.
Related Actions Items:
No related actions
Related emails:
  1. Re: {minutes} TTWG Meeting 9/10/2014 (from silviapfeiffer1@gmail.com on 2014-10-10)
  2. {minutes} TTWG Meeting 9/10/2014 (from nigel.megitt@bbc.co.uk on 2014-10-09)
  3. {agenda} TTWG Meeting 9/10/2014 (from nigel.megitt@bbc.co.uk on 2014-10-08)
  4. {agenda} TTWG Meeting 2/10/2014 (from nigel.megitt@bbc.co.uk on 2014-10-01)
  5. {agenda} TTWG Meeting 25/9/2014 (from nigel.megitt@bbc.co.uk on 2014-09-24)
  6. ISSUE-348: Make metric optional in offset-time form of time expressions. [TTML2] (from sysbot+tracker@w3.org on 2014-09-23)

Related notes:

Addressed in https://dvcs.w3.org/hg/ttml/rev/33151db6397b

Glenn Adams, 24 Sep 2014, 19:22:45

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