ISSUE-268: Purpose of new draft wording in 12.2.1 is unclear

nigel

Purpose of new draft wording in 12.2.1 is unclear

State:
CLOSED
Product:
TTML 1.0
Raised by:
Nigel Megitt
Opened on:
2013-08-09
Description:
The edit to 12.2.1 described in https://dvcs.w3.org/hg/ttml/raw-file/default/ttml10/spec/ttml-changes.html#change-history-per-to-rec-23 section 1.1 adds the word "significant" into the sentence:

If specified, a ttm:agent attribute must reference significant ttm:agent element instances that appear as a descendent of the same Document Instance as that of the referring element.

The intended additional meaning introduced by this edit is unclear. The text already says that the referenced agent must appear within the document, and there are restricted locations where it can be. I propose either reverting the edit or adding text to explain what distinguishes a "significant" agent from any other kind.
Related Actions Items:
No related actions
Related emails:
  1. TTML Agenda for 19/09/13 (from Sean.Hayes@microsoft.com on 2013-09-19)
  2. No Meeting today 12-09-13 (from Sean.Hayes@microsoft.com on 2013-09-12)
  3. Minutes for 05/09/13 (from nigel.megitt@bbc.co.uk on 2013-09-05)
  4. Agenda for 05/09/13 (from glenn@skynav.com on 2013-09-04)
  5. RE: TTML Agenda for 29/08/13 (from mdolan@newtbt.com on 2013-08-28)
  6. TTML Agenda for 29/08/13 (from glenn@skynav.com on 2013-08-28)
  7. TTML Agenda for 15/08/13 (from Sean.Hayes@microsoft.com on 2013-08-15)
  8. Re: ISSUE-268 (nigel): Purpose of new draft wording in 12.2.1 is unclear [TTML 1.0] (from glenn@skynav.com on 2013-08-12)
  9. Re: ISSUE-268 (nigel): Purpose of new draft wording in 12.2.1 is unclear [TTML 1.0] (from nigel.megitt@bbc.co.uk on 2013-08-12)
  10. Re: ISSUE-268 (nigel): Purpose of new draft wording in 12.2.1 is unclear [TTML 1.0] (from glenn@skynav.com on 2013-08-12)
  11. Re: ISSUE-268 (nigel): Purpose of new draft wording in 12.2.1 is unclear [TTML 1.0] (from nigel.megitt@bbc.co.uk on 2013-08-12)
  12. Re: ISSUE-268 (nigel): Purpose of new draft wording in 12.2.1 is unclear [TTML 1.0] (from glenn@skynav.com on 2013-08-09)
  13. ISSUE-268 (nigel): Purpose of new draft wording in 12.2.1 is unclear [TTML 1.0] (from sysbot+tracker@w3.org on 2013-08-09)

Related notes:

See text in 12.1.5:

"A ttm:agent metadata item is considered to be significant only when specified as a child of the head element or as a child of a metadata element child of the head element."

No change needed since "significant" is well defined.

Glenn Adams, 9 Aug 2013, 15:57:43

[glenn]: remove language about same document instance

15 Aug 2013, 15:42:21

Done. https://dvcs.w3.org/hg/ttml/rev/76e4ca029436

Glenn Adams, 21 Aug 2013, 17:39:48

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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>, Staff Contacts
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