(save-place-to-alist): Optimize out the degenerate

case when point is 1.

diff --git a/lisp/saveplace.el b/lisp/saveplace.el
index b3d3a24a2f5b27928550e4c68adb5d805ceec5fe..5ac3f344c62ddf64e9de550de50945b518b03ad3 100644 (file)
--- a/lisp/saveplace.el
+++ b/lisp/saveplace.el
@@ -125,16 +125,17 @@ To save places automatically in all files, put this in your `.emacs' file:
   (or save-place-loaded (load-save-place-alist-from-file))
   (if buffer-file-name
       (progn
-        (let ((cell (assoc buffer-file-name save-place-alist)))
+        (let ((cell (assoc buffer-file-name save-place-alist))
+             (position (if (not (eq major-mode 'hexl-mode))
+                           (point)
+                         (1+ (hexl-current-address)))))
           (if cell
-              (setq save-place-alist (delq cell save-place-alist))))
-        (if save-place
-            (setq save-place-alist
-                 (cons (cons buffer-file-name
-                             (if (not (eq major-mode 'hexl-mode))
-                                 (point)
-                               (1+ (hexl-current-address))))
-                        save-place-alist))))))
+              (setq save-place-alist (delq cell save-place-alist)))
+         (if (and save-place
+                  (not (= position 1)))  ;; Optimize out the degenerate case.
+             (setq save-place-alist
+                   (cons (cons buffer-file-name position)
+                         save-place-alist)))))))
 
 (defun save-place-alist-to-file ()
   (let ((file (expand-file-name save-place-file)))