Erase pgg-*-buffer.

diff --git a/pgg-epg.el b/pgg-epg.el
index a6ede0e..6ca5e60 100644 (file)
--- a/pgg-epg.el
+++ b/pgg-epg.el
@@ -69,8 +69,11 @@ passphrase cache or user."
     (epg-context-set-armor context t)
     (epg-context-set-textmode context pgg-text-mode)
     (epg-context-set-passphrase-callback context #'pgg-epg-passphrase-callback)
-    (get-buffer-create pgg-output-buffer)
-    (get-buffer-create pgg-errors-buffer)
+    (save-excursion
+      (set-buffer (get-buffer-create pgg-output-buffer))
+      (erase-buffer)
+      (set-buffer (get-buffer-create pgg-errors-buffer))
+      (erase-buffer))
     (condition-case error
        (setq cipher
              (epg-encrypt-string context
@@ -90,7 +93,6 @@ passphrase cache or user."
        (signal (car error) (cdr error))))
     (save-excursion
       (set-buffer (get-buffer-create pgg-output-buffer))
-      (erase-buffer)
       (insert cipher))
     t))
 
@@ -116,8 +118,11 @@ passphrase cache or user."
     (epg-context-set-armor context t)
     (epg-context-set-textmode context pgg-text-mode)
     (epg-context-set-passphrase-callback context #'pgg-epg-passphrase-callback)
-    (get-buffer-create pgg-output-buffer)
-    (get-buffer-create pgg-errors-buffer)
+    (save-excursion
+      (set-buffer (get-buffer-create pgg-output-buffer))
+      (erase-buffer)
+      (set-buffer (get-buffer-create pgg-errors-buffer))
+      (erase-buffer))
     (condition-case error
        (setq plain (epg-decrypt-string context (buffer-substring start end))
              pgg-epg-secret-key-id-list nil)
@@ -128,7 +133,6 @@ passphrase cache or user."
        (signal (car error) (cdr error))))
     (save-excursion
       (set-buffer (get-buffer-create pgg-output-buffer))
-      (erase-buffer)
       (insert plain))
     t))
 
@@ -145,8 +149,11 @@ passphrase cache or user."
     (epg-context-set-armor context t)
     (epg-context-set-textmode context pgg-text-mode)
     (epg-context-set-passphrase-callback context #'pgg-epg-passphrase-callback)
-    (get-buffer-create pgg-output-buffer)
-    (get-buffer-create pgg-errors-buffer)
+    (save-excursion
+      (set-buffer (get-buffer-create pgg-output-buffer))
+      (erase-buffer)
+      (set-buffer (get-buffer-create pgg-errors-buffer))
+      (erase-buffer))
     (condition-case error
        (setq signature
              (epg-sign-string context
@@ -162,7 +169,6 @@ passphrase cache or user."
        (signal (car error) (cdr error))))
     (save-excursion
       (set-buffer (get-buffer-create pgg-output-buffer))
-      (erase-buffer)
       (insert signature))
     t))
 
@@ -176,8 +182,11 @@ Verify region between START and END as the detached signature SIGNATURE."
        (inhibit-redisplay t))          ;Gnus users don't like flickering
     (epg-context-set-armor context t)
     (epg-context-set-textmode context pgg-text-mode)
-    (get-buffer-create pgg-output-buffer)
-    (get-buffer-create pgg-errors-buffer)
+    (save-excursion
+      (set-buffer (get-buffer-create pgg-output-buffer))
+      (erase-buffer)
+      (set-buffer (get-buffer-create pgg-errors-buffer))
+      (erase-buffer))
     (if signature
        (epg-verify-string context
                           (with-temp-buffer
@@ -189,7 +198,6 @@ Verify region between START and END as the detached signature SIGNATURE."
       (set-buffer (get-buffer-create pgg-errors-buffer))
       (make-local-variable 'pgg-epg-signatures)
       (setq pgg-epg-signatures (epg-context-result-for context 'verify))
-      (erase-buffer)
       (insert (epg-verify-result-to-string pgg-epg-signatures)))
     t))
 
@@ -202,8 +210,11 @@ Insert public key at point."
        )
     (epg-context-set-armor context t)
     (epg-context-set-textmode context pgg-text-mode)
-    (get-buffer-create pgg-output-buffer)
-    (get-buffer-create pgg-errors-buffer)
+    (save-excursion
+      (set-buffer (get-buffer-create pgg-output-buffer))
+      (erase-buffer)
+      (set-buffer (get-buffer-create pgg-errors-buffer))
+      (erase-buffer))
     (insert (epg-export-keys-to-string context pgg-default-user-id))))
 
 (defun pgg-epg-snarf-keys-region (start end)
@@ -215,8 +226,11 @@ Add all public keys in region between START and END to the keyring."
        )
     (epg-context-set-armor context t)
     (epg-context-set-textmode context pgg-text-mode)
-    (get-buffer-create pgg-output-buffer)
-    (get-buffer-create pgg-errors-buffer)
+    (save-excursion
+      (set-buffer (get-buffer-create pgg-output-buffer))
+      (erase-buffer)
+      (set-buffer (get-buffer-create pgg-errors-buffer))
+      (erase-buffer))
     (epg-import-keys-from-string context (buffer-substring start end))))
 
 (eval-when-compile