<!ENTITY keyring-package "<package>debian-archive-keyring</package>">
<!ENTITY keyring-filename "<filename>/usr/share/keyrings/debian-archive-keyring.gpg</filename>">
<!ENTITY keyring-removed-filename "<filename>/usr/share/keyrings/debian-archive-removed-keys.gpg</filename>">
+<!ENTITY keyring-master-filename "">
+<!ENTITY keyring-uri "">