* mime-pgp.el (mime-pgp-use): New variable.

(mime-view-application/pgp-with-epg): Renamed from
mime-view-application/pgp.
(mime-view-application/pgp-with-pgg): Revived for backward
compatibility.
(mime-verify-application/*-signature-with-epg): Renamed from
mime-verify-application/*-signature.
(mime-verify-application/*-signature-with-pgg): Revived for
backward compatibility.
(mime-add-application/pgp-keys-with-epg): Renamed from
mime-add-application/pgp-keys.
(mime-add-application/pgp-keys-with-pgg): Revived for backward
compatibility.

* mime-edit.el (mime-edit-pgp-use): New variable.
(mime-edit-sign-pgp-mime-with-epg): Renamed from
mime-edit-sign-pgp-mime.
(mime-edit-sign-pgp-mime-with-pgg): Revived for backward
compatibility.
(mime-edit-encrypt-pgp-mime-with-epg): Renamed from
mime-edit-encrypt-pgp-mime.
(mime-edit-encrypt-pgp-mime-with-pgg): Revived for backward
compatibility.
(mime-edit-sign-pgp-kazu-with-epg): Renamed from
mime-edit-sign-pgp-kazu.
(mime-edit-sign-pgp-kazu-with-pgg): Revived for backward
compatibility.
(mime-edit-encrypt-pgp-kazu-with-epg): Renamed from
mime-edit-encrypt-pgp-kazu.
(mime-edit-encrypt-pgp-kazu-with-pgg): Revived for backward
compatibility.