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[imsc] ittp:activeArea clarification

From: Pierre-Anthony Lemieux via GitHub <sysbot+gh@w3.org>
Date: Tue, 09 May 2017 15:28:37 +0000
To: public-tt@w3.org
Message-ID: <issues.opened-227405381-1494343716-sysbot+gh@w3.org>
palemieux has just created a new issue for https://github.com/w3c/imsc:

== ittp:activeArea clarification ==
>From https://lists.w3.org/Archives/Public/public-tt/2017May/0018.html

> It is understood that the purpose of the activeArea attribute is to
specify an area where nothing disturbs presentation of an element with
this attribute. However, it is unclear for us how to do it because
behavioral model of this attribute is not defined. The draft notes the
case in which video cropping involves cropping of captions. But
considering a case that the other object(s) are trying to overlap the
object with this attribute, a relation between the attribute and z-index
of CSS should come to an issue.

Please view or discuss this issue at https://github.com/w3c/imsc/issues/227 using your GitHub account
Received on Tuesday, 9 May 2017 15:28:44 UTC

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