All reports of explicitly-armored-upstream-signature for the archive. The extended description of this tag is:
The packaging includes a detached upstream signature file that was armored explicitly using gpg --enarmor. That is likely an error.
Please generate the signature with gpg --armor --detach-sig instead.
Severity: normal, Certainty: certain
Check: upstream-signature, Type: source
This tag has not been emitted in any package tested by Lintian.