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Re: [Cellar] Call for adoption of three new WG items

Michael Richardson <mcr+ietf@sandelman.ca> Fri, 01 June 2018 01:13 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: hubblec4 <hubblec4@gmx.ch>
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Subject: Re: [Cellar] Call for adoption of three new WG items
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hubblec4 <hubblec4@gmx.ch> wrote:
    >> > Moving the tags section to a separate document wasn’t because of its
    >> > complexity but because it would likely need more frequent revision as
    >> > new metadata values are added. So the chapters descriptions are still
    >> > in draft-lhomme-cellar-matroska-04, see
    >> > https://tools.ietf.org/html/draft-lhomme-cellar-matroska-04#section-10.
    >> 
    >> Will the new tags materially affect processing of the old tags?

    > I say no. It is also possible to use own private (undefinded) Tags, for
    > example Mosu's Statistics Tags without break processing old Tags.
    > All Tags work independently.

So, new functionality can be in new documents and does not require revising
documents.

    > Also new Tags elements must be safe for the old Tags elements.

If there were new behaviours necessary for old tags, then we would have to
change the file version number, I think.

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