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[Cbor] Tag rule -> update to 8949 (was Re: Working Group Last Call on Serialization draft)

Laurence Lundblade <lgl@island-resort.com> Mon, 31 August 2026 20:06 UTC

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From: Laurence Lundblade <lgl@island-resort.com>
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Date: Mon, 31 Aug 2026 13:06:06 -0700
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To: Mikolai Gütschow <mikolai.guetschow@tu-dresden.de>
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Subject: [Cbor] Tag rule -> update to 8949 (was Re: Working Group Last Call on Serialization draft)
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> On Aug 30, 2026, at 7:49 AM, Mikolai Gütschow <mikolai.guetschow@tu-dresden.de> wrote:
> 
> - 7
>  - Does this additional rule on tag definitions warrant an official UPDATE of 8494?

Yes, I kind of think it does.

I’ve been careful to avoid anything that might require this to be an UPDATE and I think this is the only thing. The new tag rule is of course unavoidably and update.

I think the new tag rule is critical so we must do something about it.

The alternative would be to put it in a new and separate document. That document could be:

a) very short and just for this rule
b) a data-model document (I’ve mentioned this before)

(Also, thanks very much for the thorough read and comments! I’m working through them.)

LL

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