[ttml2] Pull Request: introduce anonymous span creation procedure (from TTML1 text)

cconcolato has just submitted a new pull request for https://github.com/w3c/ttml2:

== introduce anonymous span creation procedure (from TTML1 text) ==
Partially closes #358 

See https://github.com/w3c/ttml2/pull/603

Received on Monday, 29 January 2018 23:41:52 UTC