Re: ISSUE-267 (nigel): Wording in 12.1.7 doesn't convey intended meaning [TTML 1.0]

Not a bug. See 12.1.5 for meaning of "significant" in this context:

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.


On Fri, Aug 9, 2013 at 5:22 AM, Timed Text Working Group Issue Tracker <
sysbot+tracker@w3.org> wrote:

> ISSUE-267 (nigel): Wording in 12.1.7 doesn't convey intended meaning [TTML
> 1.0]
>
> http://www.w3.org/AudioVideo/TT/tracker/issues/267
>
> Raised by: Nigel Megitt
> On product: TTML 1.0
>
> The comment in
> https://dvcs.w3.org/hg/ttml/raw-file/default/ttml10/spec/ttml-changes.html#change-history-per-to-rec-23in section 1.1:
>
> * In 12.1.7, clarify that agent attribute on ttm:actor must reference a
> "significant" ttm:agent
>   element, i.e., a ttm:agent appearing as a child of head or a child of a
> metadata child of head.
>
> attaches a meaning to the word "significant" that is non-obvious within
> the draft text. I suggest rewording the sentence to:
>
> The agent attribute of a ttm:actor element must reference a ttm:agent
> element that denotes the person, group, or organization acting the part of
> a character, and that appears as a descendant of head.
>
>
>
>
>