* files.el (auto-save-mode): Handle buffer-save-size = -2

for toggling mode.

2 files changed, 6 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 581c20fcf65..77dd24db798 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2009-07-21  Richard Stallman  <rms@gnu.org>
+
+        * files.el (auto-save-mode): Handle buffer-save-size = -2
+        for toggling mode.
+
 2009-07-21  Glenn Morris  <rgm@gnu.org>
 
         * textmodes/ispell.el (ispell-looking-back): Update declaration.
diff --git a/lisp/files.el b/lisp/files.el
index d2109215d3e..1528b380ff3 100644
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -5005,7 +5005,7 @@ With prefix argument ARG, turn auto-saving on if positive, else off."
                  (or (not buffer-auto-save-file-name)
                      ;; If auto-save is off because buffer has shrunk,
                      ;; then toggling should turn it on.
-                     (< buffer-saved-size 0))
+                     (= buffer-saved-size -1))
                (or (eq arg t) (listp arg) (and (integerp arg) (> arg 0))))
              (if (and buffer-file-name auto-save-visited-file-name
                       (not buffer-read-only))