(set-rmail-inbox-list): Rewrite to only set inbox

list temporarily for a session.

diff --git a/lisp/mail/rmailmsc.el b/lisp/mail/rmailmsc.el
index f9b8783954e03aab0ee1331386f41bbf55d1f152..59d5ceda4499af490123e1f977a535a505b4ad59 100644 (file)
--- a/lisp/mail/rmailmsc.el
+++ b/lisp/mail/rmailmsc.el
@@ -38,30 +38,22 @@
 You can specify one file name, or several names separated by commas.
 If FILE-NAME is empty, remove any existing inbox list."
   (interactive "sSet mailbox list to (comma-separated list of filenames): ")
-
   (unless (eq major-mode 'rmail-mode)
     (error "set-rmail-inbox-list works only for an Rmail file"))
-
-  (save-excursion
-    (let ((names (rmail-parse-file-inboxes))
-         (standard-output nil))
-      (if (or (not names)
+  (let ((inbox-list
+        (with-temp-buffer
+          (insert file-name)
+          (goto-char (point-min))
+          (nreverse (mail-parse-comma-list)))))
+    (when (or (not rmail-inbox-list)
              (y-or-n-p (concat "Replace "
-                               (mapconcat 'identity names ", ")
+                               (mapconcat 'identity
+                                          rmail-inbox-list
+                                          ", ")
                                "? ")))
-         (let ((buffer-read-only nil))
-           (widen)
-           (goto-char (point-min))
-           (search-forward "\n\^_")
-           (re-search-backward "^Mail" nil t)
-           (forward-line 0)
-           (if (looking-at "Mail:")
-               (delete-region (point)
-                              (progn (forward-line 1)
-                                     (point))))
-           (if (not (string= file-name ""))
-               (insert-before-markers "Mail: " file-name "\n"))))))
-  (setq rmail-inbox-list (rmail-parse-file-inboxes))
+      (message "Setting the inbox list for %s for this session"
+              (file-name-nondirectory (buffer-file-name)))
+      (setq rmail-inbox-list inbox-list)))
   (rmail-show-message rmail-current-message))
 
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