(desktop-save): Don't save minor modes without a known mode initialization function.

2 files changed, 16 insertions, 10 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index bf08d2643f3..064f7a01f10 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2004-05-31  Lars Hansen  <larsh@math.ku.dk>
+
+        * desktop.el (desktop-save): Don't save minor modes without a
+        known mode initialization function.
+
 2004-05-30  Luc Teirlinck  <teirllm@auburn.edu>
 
         * replace.el (query-replace-interactive): Convert defvar into
diff --git a/lisp/desktop.el b/lisp/desktop.el
index a21d132e03b..3888262f02f 100644
--- a/lisp/desktop.el
+++ b/lisp/desktop.el
@@ -326,7 +326,7 @@ NAME is the name of the buffer-local variable indicating that the minor
 mode is active.  RESTORE-FUNCTION is the function to activate the minor mode.
 called.  RESTORE-FUNCTION nil means don't try to restore the minor mode.
 Only minor modes for which the name of the buffer-local variable
-and the name of the minor mode function are different have to added to
+and the name of the minor mode function are different have to be added to
 this table."
   :type 'sexp
   :group 'desktop)
@@ -589,16 +589,17 @@ See also `desktop-base-file-name'."
                     major-mode
                     ;; minor modes
                     (let (ret)
-                      (mapcar
-                        #'(lambda (mim)
+                      (mapc
+                        #'(lambda (minor-mode)
                           (and
-                            (boundp mim)
-                            (symbol-value mim)
-                            (setq ret
-                              (cons
-                                (let ((special (assq mim desktop-minor-mode-table)))
-                                  (if special (cadr special) mim))
-                                ret))))
+                            (boundp minor-mode)
+                            (symbol-value minor-mode)
+                            (let ((special (assq minor-mode desktop-minor-mode-table)))
+                              (when (or special (functionp minor-mode))
+                                (setq ret
+                                  (cons
+                                    (if special (cadr special) minor-mode)
+                                    ret))))))
                         (mapcar #'car minor-mode-alist))
                       ret)
                     (point)