Path: injection.server.example!.POSTED!not-for-mail
Subject: Supersede test
From: John Doe <john.doe@server.example>
Date: Fri, 22 Oct 2021 11:11:11 -0000
Injection-Date: Fri, 22 Oct 2021 11:11:12 -0000
Newsgroups: de.test
Message-ID: <abcdefgh@server.test>
Cancel-Lock: sha1:NkCyGbk4ZUhgExRi1jhCrgAVdT0=
             sha256:x0JAxz+Ln+ZB2pC+uPKvcka6kfK5ojebnVxEosgOujQ=

This is an example article, our supersede target.

To be able to supersede this article, we need a matching key for one of
the locks in the Cancel-Lock header field.
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Signature
