[ttml2] #writingMode should be specified as the union of #writingMode-vertical and #writingMode-horizontal

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

== #writingMode should be specified as the union of #writingMode-vertical and #writingMode-horizontal ==


Please view or discuss this issue at https://github.com/w3c/ttml2/issues/431 using your GitHub account

Received on Friday, 29 September 2017 04:09:32 UTC