2012-09-25 02:13:56: Created issue 'R0006 is overly constraining as drafted' nickname owned by Glenn Adams on product Simple Delivery Profile for Closed Captions, description 'R0006 says "A document must have all elements are in order of time. That is, in a par context, an element must not lexically precede another element with an earlier start time."
Clearly this is wrong, as there are elements that are not timed that may precede a timed element. For example, a <tt:meta/> or a <tt:set/> may lexically precede another element.
One solution is to substitute "timed element" for "element" in R0006, with a note that defines a "timed element".' non-public [Glenn Adams]