[openpgp] Re: Minor edits to the specification

On Wed, 5 Nov 2025, Werner Koch via LibrePGP-discuss wrote:

> 4. Reserved packets
>   (commit 646c37787c099457bd021f1833463698b0a41770)
>
>   Some of us are currently looking into anti-spam measurements and thus
>   are playing with a proposed feature named "Label signature" which is
>   a kind of outer signature around an encrypted message.  I took the
>   freedom to resevere the packet tag 42 for this as well as two
>   signature classes.

It would be better to not squat a code point from IANA, and instead pick
one from the private range (60-63)

https://www.iana.org/assignments/openpgp/openpgp.xhtml#openpgp-packet-types

Paul
(this message might not make it to the librepgp-discuss list, for
  reasons unknown to me - feel free to forward)

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