+
+#ifdef __WXMAC__
+ // At least on Mac the visible lines value will get reset inside of
+ // Scroll *before* it actually scrolls the window because of the
+ // Update() that happens there, so it will still have the wrong value.
+ // So let's reset it again and wait for it to be recalculated in the
+ // next paint event. I would expect this problem to show up in wxGTK
+ // too but couldn't duplicate it there. Perhaps the order of events
+ // is different... --Robin
+ ResetVisibleLinesRange();
+#endif