Suppress interactive-only warnings in epa*.el

* lisp/epa-mail.el (epa-mail-decrypt, epa-mail-verify)
(epa-mail-sign, epa-mail-encrypt): Ditto.

* lisp/epa.el (epa-verify-cleartext-in-region): Suppress warnings
about calling interactive-only functions, because these are
interactive-only thin wrappers around those functions.

Author: larsmagne

lisp/epa-mail.el

@@ -70,15 +70,17 @@ USAGE would be `sign' or `encrypt'."
 The buffer is expected to contain a mail message."
   (declare (interactive-only t))
   (interactive)
-  (epa-decrypt-armor-in-region (point-min) (point-max)))
+  (with-suppressed-warnings ((interactive-only epa-decrypt-armor-in-region))
+    (epa-decrypt-armor-in-region (point-min) (point-max))))
 
 ;;;###autoload
 (defun epa-mail-verify ()
   "Verify OpenPGP cleartext signed messages in the current buffer.
 The buffer is expected to contain a mail message."
   (declare (interactive-only t))
   (interactive)
-  (epa-verify-cleartext-in-region (point-min) (point-max)))
+  (with-suppressed-warnings ((interactive-only epa-verify-cleartext-in-region))
+    (epa-verify-cleartext-in-region (point-min) (point-max))))
 
 ;;;###autoload
 (defun epa-mail-sign (start end signers mode)
@@ -104,7 +106,8 @@ If no one is selected, default secret key is used.  "
 		 (epa--read-signature-type)
 	       'clear)))))
   (let ((inhibit-read-only t))
-    (epa-sign-region start end signers mode)))
+    (with-suppressed-warnings ((interactive-only epa-sign-region))
+      (epa-sign-region start end signers mode))))
 
 (defun epa-mail-default-recipients ()
   "Return the default list of encryption recipients for a mail buffer."
@@ -223,7 +226,9 @@ If no one is selected, symmetric encryption will be performed.  "
 
     ;; Don't let some read-only text stop us from encrypting.
     (let ((inhibit-read-only t))
-      (epa-encrypt-region start (point-max) recipient-keys signers signers))))
+      (with-suppressed-warnings ((interactive-only epa-encrypt-region))
+        (epa-encrypt-region start (point-max)
+                            recipient-keys signers signers)))))
 
 ;;;###autoload
 (defun epa-mail-import-keys ()

lisp/epa.el

@@ -995,7 +995,8 @@ See the reason described in the `epa-verify-region' documentation."
 			       nil t))
 	  (unless cleartext-end
 	    (error "No cleartext tail"))
-	  (epa-verify-region cleartext-start cleartext-end))))))
+          (with-suppressed-warnings ((interactive-only epa-verify-region))
+	    (epa-verify-region cleartext-start cleartext-end)))))))
 
 ;;;###autoload
 (defun epa-sign-region (start end signers mode)