[ttml1] Feature #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/ttml1:

== Feature #writingMode should be specified as the union of #writingMode-vertical and #writingMode-horizontal ==
See https://github.com/w3c/ttml2/issues/431

Please view or discuss this issue at https://github.com/w3c/ttml1/issues/313 using your GitHub account

Received on Tuesday, 2 January 2018 18:12:54 UTC