[ttml2] Ensure that document conventions cover syntax used in value expressions.

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

== Ensure that document conventions cover syntax used in value 
expressions. ==
For example, use of "||" operator, etc.

Please view or discuss this issue at 
https://github.com/w3c/ttml2/issues/187 using your GitHub account

Received on Tuesday, 20 September 2016 16:23:32 UTC