injecting cancel control messages in moderated groups

Hello!
https://www.rfc-editor.org/rfc/rfc5537#section-5.3
indicates that cancels can be used to cancel messages in a moderated
group.


   Cancel control messages listing moderated newsgroups in their
   Newsgroups header field MUST contain an Approved header field like
   any other article in a moderated newsgroup.  This means that cancels
   posted to a moderated newsgroup will normally be sent to the
   moderator first for approval.  Outside of moderated newsgroups,
   cancel messages are not required to contain an Approved header field.

How is the process here?
When issuing a cancel message in a moderated group, should the NUA send
it to the group itself without an approved header?

PS: I currently file a bug report for Claws Mail as it includes an
Approved: header in a cancel message - for unmoderated and moderated
groups.

--
kind regards
Marco

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