[ttml2] Clarify that font resources cannot override generic font families (#1042)

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

== Clarify that font resources cannot override generic font families ==


Please view or discuss this issue at https://github.com/w3c/ttml2/issues/1042 using your GitHub account

Received on Monday, 28 January 2019 22:06:53 UTC