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-rw-r--r--lisp/scroll-bar.el4
1 files changed, 3 insertions, 1 deletions
diff --git a/lisp/scroll-bar.el b/lisp/scroll-bar.el
index 98b90856574..ec0f7164943 100644
--- a/lisp/scroll-bar.el
+++ b/lisp/scroll-bar.el
@@ -144,7 +144,9 @@ EVENT should be a scroll bar click or drag event."
(1+ portion-start)))
(if (or (> current-start next-portion-start)
(< current-start portion-start))
- (set-window-start window portion-start)))))
+ (set-window-start window portion-start)
+ ;; Always set window start, to ensure scroll bar position is updated.
+ (set-window-start window current-start)))))
;; Scroll the window to the proper position for EVENT.
(defun scroll-bar-drag-1 (event)