Per this morning's jabber session, I've changed the second paragraph
of section 5.2 to read:
INFORMATIVE OPERATIONS ADVICE: A signer should not sign with
a private key when the selector containing the corresponding
public key is expected to be removed before the verifier has
an opportunity to validate the signature. The signer should
anticipate that verifiers may choose to defer validation,
perhaps until the message is actually read by the final
recipient. In particular, when rotating to a new key-pair,
signing should immediately commence with the new private key
and the old public key should be retained for the expected
validation interval before being removed from the key server.
Please let me know if this fits (or does not fit) consensus.
eric
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