[imsc] br elements are included in NBG(R_i) (#574)

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

== br elements are included in NBG(R_i) ==
`br` elements are included in `NBG(R_i)` even though `tts:backgroundColor` does not apply to them and they do not generate any marks.


Please view or discuss this issue at https://github.com/w3c/imsc/issues/574 using your GitHub account


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Received on Wednesday, 14 July 2021 21:57:15 UTC