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-rw-r--r--lisp/mail/rmail.el1
1 files changed, 1 insertions, 0 deletions
diff --git a/lisp/mail/rmail.el b/lisp/mail/rmail.el
index 19f32efc136..8930cc3bce9 100644
--- a/lisp/mail/rmail.el
+++ b/lisp/mail/rmail.el
@@ -581,6 +581,7 @@ by substituting the new message number into the existing list.")
(defvar rmail-buffer-swapped nil
"If non-nil, `rmail-buffer' is swapped with `rmail-view-buffer'.")
+(make-variable-buffer-local 'rmail-buffer-swapped)
(put 'rmail-buffer-swapped 'permanent-local t)
(defvar rmail-view-buffer nil