[ttml2] Refactor #condition features.

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

== Refactor #condition features. ==
The current definition of `#condition` related features is quite awkward, and needs refactored as:

`#condition-no-media` = condition expressions without media() function
`#condition-media` = condition expressions with media() function
`#condition` = `#condition-no-media` + `#condition-media`

Please view or discuss this issue at https://github.com/w3c/ttml2/issues/790 using your GitHub account

Received on Wednesday, 23 May 2018 22:09:22 UTC