[imsc] Pull Request: Clarify use of validation tools to warn about overly constrained uses of content and processor profile

palemieux has just submitted a new pull request for https://github.com/w3c/imsc:

== Clarify use of validation tools to warn about overly constrained uses of content and processor profile ==
Closes #506

See https://github.com/w3c/imsc/pull/518

Received on Thursday, 30 January 2020 16:33:00 UTC