keeping them as Git notes allows them to be maintained between versions
of the patch series (but see the discussion of the `notes.rewrite`
configuration options in linkgit:git-notes[1] to use this workflow).
++
+The default is `--no-notes`, unless the `format.notes` configuration is
+set.
--[no-]signature=<signature>::
Add a signature to each message produced. Per RFC 3676 the signature