(try_window_reusing_current_matrix): Fix number of disabled lines.

2 files changed, 6 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 25f3236bf70..f5da623e24c 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2007-04-29  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
+
+        * xdisp.c (try_window_reusing_current_matrix): Fix number of
+        disabled lines.
+
 2007-04-28  Richard Stallman  <rms@gnu.org>
 
         * lread.c (read_escape): In a string, \s is always space.
diff --git a/src/xdisp.c b/src/xdisp.c
index 02e59290158..82f24551f19 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -13811,7 +13811,7 @@ try_window_reusing_current_matrix (w)
                          nrows_scrolled);
 
           /* Disable lines that must be updated.  */
-          for (i = 0; i < it.vpos; ++i)
+          for (i = 0; i < nrows_scrolled; ++i)
             (start_row + i)->enabled_p = 0;
 
           /* Re-compute Y positions.  */