[ttml2] Add Safe Crop Area

nigelmegitt has just created a new issue for 
https://github.com/w3c/ttml2:

== Add Safe Crop Area ==
As described in 
https://lists.w3.org/Archives/Public/public-tt/2016Jun/0003.html and 
in this PDF:

[Subtitle Safe Crop Area BBC submission 
2016-06-09.pdf](https://github.com/w3c/ttml2/files/397449/Subtitle.Safe.Crop.Area.BBC.submission.2016-06-09.pdf)

Proposal is to add into the `ttp` parameter namespace a safe crop area
 and to define the processor semantics associated with that safe crop 
area.

Please view or discuss this issue at 
https://github.com/w3c/ttml2/issues/173 using your GitHub account

Received on Tuesday, 2 August 2016 15:53:25 UTC