[ttml2] Remove 'available' keyword from <measure>.

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

== Remove 'available' keyword from <measure>. ==
The `available` keyword was draft in early 2015 based on the `fit-available` keyword defined in a 2012 WD  of CSS Sizing Level 3. It has since been moved out to CSS Sizing Level 4 (as `stretch-fit`) where it is not yet specified in details.

Since use of this keyword falls under `#extent-measure`, `#ipd`, and `#bpd`, all of which are marked at risk, I propose we remove it now rather than deprecating/obsoleting it in 2e.

In any case, I think the current definition we have is not sufficiently well-defined to permit creating test content at this juncture, so it would have to remain untested if we leave it in 1e.

Please view or discuss this issue at https://github.com/w3c/ttml2/issues/1004 using your GitHub account

Received on Sunday, 23 September 2018 01:47:39 UTC