On Wed, Mar 20, 2019 at 10:51:30PM +0000, Ken Lunde lunde at adobe.com [mpeg-OTspec] wrote: > With regard to your trivia statement, that is easily remedied by registering 'ss00' and 'cv00' at the same time as registering 'ss21' through 'ss99'. ;-) I was going to mention hexadecimals :-) Arthur