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-rw-r--r--lisp/isearch.el16
1 files changed, 9 insertions, 7 deletions
diff --git a/lisp/isearch.el b/lisp/isearch.el
index 85e0bb6763f..6ef83c68fd8 100644
--- a/lisp/isearch.el
+++ b/lisp/isearch.el
@@ -784,13 +784,15 @@ NOPUSH is t and EDIT is t."
(lazy-highlight-cleanup lazy-highlight-cleanup)
(let ((found-start (window-start (selected-window)))
(found-point (point)))
- (if isearch-window-configuration
- (set-window-configuration isearch-window-configuration))
-
- (if isearch-small-window
- (goto-char found-point)
- ;; Exiting the save-window-excursion clobbers window-start; restore it.
- (set-window-start (selected-window) found-start t)))
+ (when isearch-window-configuration
+ (set-window-configuration isearch-window-configuration)
+ (if isearch-small-window
+ (goto-char found-point)
+ ;; set-window-configuration clobbers window-start; restore it.
+ ;; This has an annoying side effect of clearing the last_modiff
+ ;; field of the window, which can cause unwanted scrolling,
+ ;; so don't do it unless truly necessary.
+ (set-window-start (selected-window) found-start t))))
(setq isearch-mode nil)
(if isearch-input-method-local-p