[ttml2] Reference CSS z-index property

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

== Reference CSS z-index property ==
Part of umbrella #406 

Current semantic based on: XSL 1.1 §7.30.18 https://www.w3.org/TR/2006/REC-xsl11-20061205/#z-index
Current CSS snapshot version of this semantic: CSS 2.1 §9.9.1 https://www.w3.org/TR/2011/REC-CSS2-20110607/visuren.html#z-index

The XSL spec references the CSS spec to define the semantic, with no changes.

Action to take: Add CSS spec reference XSL spec reference 

Please view or discuss this issue at https://github.com/w3c/ttml2/issues/425 using your GitHub account

Received on Monday, 18 September 2017 10:27:36 UTC