Re: [Cbor] Tagging requirement

[Carsten Bormann <[e-mail]>]

Hi Michael,

On 2020-08-18, at 21:03, Michael Richardson <[e-mail]> wrote:
> 
> Carsten, some year ago we had a lot of discussion when doing 7049bis about
> what would be described in 7049bis, and what belonged in the Protocol using
> document.
> 
> I think that many of Laurence's questions fall into this.
> I wonder if we need either:
> 
> 1) a guide to writing CBOR applicability statements.

I’m not sure I’m parsing this correctly — writing CBOR applicability statements?
What do we need an applicability statement for and why would we be writing many of them?

> 2) a worked out example.

I think we have about 30 :-)

https://datatracker.ietf.org/doc/rfc7049/referencedby/
(This is slightly confused — it thinks that RFC 8392 has an informative reference to 7049, and I’m sure the heuristics failed in other places.)

> Probably both.
> While a lot of the more normative advice all through 7049bis, it might be too
> diffuse to apply quickly.
> 
> I think CDDL can be used to clarify things, but it might be that some of
> us need the specific ways beat over our heads.

I think some of the material about tags could go into notable-tags.

But maybe we do need a tutorial document.

Grüße, Carsten