+(defvar epa-protocol 'OpenPGP
+ "*The default protocol.
+The value can be either OpenPGP or CMS.
+
+You should bind this variable with `let', but do not set it globally.")
+
+(defvar epa-armor nil
+ "*If non-nil, epa commands create ASCII armored output.
+
+You should bind this variable with `let', but do not set it globally.")
+
+(defvar epa-textmode nil
+ "*If non-nil, epa commands treat input files as text.
+
+You should bind this variable with `let', but do not set it globally.")
+