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| author | Karl Heuer <kwzh@gnu.org> | 1997-09-25 01:01:05 +0000 |
|---|---|---|
| committer | Karl Heuer <kwzh@gnu.org> | 1997-09-25 01:01:05 +0000 |
| commit | 298f79d49a3e8d9edd95076a9b3951fd638b435b (patch) | |
| tree | 8d2d8aec6796ac19d6e86aceb44a88334df5d39e /lisp/saveplace.el | |
| parent | 3de7a85a3db0f85ffbd338d9379a4d8788666e79 (diff) | |
| download | emacs-298f79d49a3e8d9edd95076a9b3951fd638b435b.tar.gz | |
(save-place-to-alist): Optimize out the degenerate
case when point is 1.
Diffstat (limited to 'lisp/saveplace.el')
| -rw-r--r-- | lisp/saveplace.el | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/lisp/saveplace.el b/lisp/saveplace.el index b3d3a24a2f5..5ac3f344c62 100644 --- 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))) |