From: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
Date: Wed, 1 Jun 2011 01:36:38 +0000 (+0900)
Subject: * fringe.c (update_window_fringes): Don't update overlay arrow bitmap in the current... 
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* fringe.c (update_window_fringes): Don't update overlay arrow bitmap in the current matrix if keep_current_p is non-zero.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index bdbda8f934b..f70a91ab3ff 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2011-06-01  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
+
+	* fringe.c (update_window_fringes): Don't update overlay arrow bitmap
+	in the current matrix if keep_current_p is non-zero.
+
 2011-05-25  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
 
 	* dispextern.h (struct glyph_row): New member fringe_bitmap_periodic_p.
diff --git a/src/fringe.c b/src/fringe.c
index e160353914e..bd178846c62 100644
--- a/src/fringe.c
+++ b/src/fringe.c
@@ -1309,8 +1309,12 @@ update_window_fringes (w, keep_current_p)
 
       if (row->overlay_arrow_bitmap != cur->overlay_arrow_bitmap)
 	{
-	  redraw_p = row->redraw_fringe_bitmaps_p = cur->redraw_fringe_bitmaps_p = 1;
-	  cur->overlay_arrow_bitmap = row->overlay_arrow_bitmap;
+	  redraw_p = row->redraw_fringe_bitmaps_p = 1;
+	  if (!keep_current_p)
+	    {
+	      cur->redraw_fringe_bitmaps_p = 1;
+	      cur->overlay_arrow_bitmap = row->overlay_arrow_bitmap;
+	    }
 	}
 
       row->left_fringe_bitmap = left;