2013-05-30 14:23:13: Created issue 'Forced display' nickname Forced display owned by Pierre-Anthony Lemieux on product TTML.next, description '[The following is extracted from the liaison received from SMPTE at https://lists.w3.org/Archives/Member/w3c-archive/2012Sep/0214.html]
A forcedDisplay parameter shall be applicable to <p> elements and shall indicate that the element is to be displayed even if not explicitly activated. The forcedDisplay parameter shall be animatable.
Note: IMF Data Essence may be selected for presentation based on user preferences, as a result of user action, or by default. Such Data Essence is however displayed only if either (a) explicitly activated as a result of user action or (b) identified as “forced”.
' non-public [Pierre-Anthony Lemieux]