[ttml2] Ambiguous definition of "empty" in Synchronic Document Construction

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

== Ambiguous definition of "empty" in Synchronic Document Construction
 ==
In "11.3.1.3 Intermediate Synchronic Document Construction", the 
algorithm states "prune elements [...] if they are empty".

What does "empty" mean? For instance, is a `p` without text content, 
e.g. `<p></p>`, empty? Similarly, is a `div` without `p` elements 
empty?

The term "empty" is not defined.

Please view or discuss this issue at 
https://github.com/w3c/ttml2/issues/212 using your GitHub account

Received on Sunday, 30 October 2016 16:01:42 UTC