[imsc] Pull Request: Added a note that #zIndex is not used

palemieux has just submitted a new pull request for 
https://github.com/w3c/imsc:

== Added a note that #zIndex is not used ==
Closes #194

See https://github.com/w3c/imsc/pull/197

Received on Tuesday, 10 January 2017 23:07:59 UTC