[Bug 24323] Rename "First Time a Key Reference is Encountered" algorithm and remove key ID checks from Container Guidelines subsections

https://www.w3.org/Bugs/Public/show_bug.cgi?id=24323

--- Comment #3 from Joe Steele <steele@adobe.com> ---
'sinf' boxes are required even though 'pssh' boxes are not. I don't know that
we need to place any additional restrictions on CENC content. 

User agents could also tell that encryption is present when they run into
'tenc' boxes in the content, or the SampleGroupDescriptionBox 'sgpd' could
contain this information as well.

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Received on Wednesday, 19 February 2014 19:06:47 UTC