[ttml2] `<text-combine>` specifies `auto` instead of `all`

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

== `<text-combine>` specifies `auto` instead of `all` ==
`auto` should be `all`

Please view or discuss this issue at https://github.com/w3c/ttml2/issues/724 using your GitHub account

Received on Thursday, 3 May 2018 23:44:57 UTC