(try_window_id): When scrolling on a terminal, take

the change of window_internal_height into account.

2 files changed, 11 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 048eedf14fa..61598c01b0b 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,11 @@
+2001-04-09  Gerd Moellmann  <gerd@gnu.org>
+
+        * window.c (window_internal_height): Return 1 less if the
+        window has a header line.
+
+        * xdisp.c (try_window_id): When scrolling on a terminal, take
+        the change of window_internal_height into account.
+
 2001-04-09  Eli Zaretskii  <eliz@is.elta.co.il>
 
         * gmalloc.c (align): If the argument SIZE would overflow
diff --git a/src/xdisp.c b/src/xdisp.c
index 2a17d947216..61fb6334678 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -11428,7 +11428,9 @@ try_window_id (w)
           int first_unchanged_at_end_vpos
             = MATRIX_ROW_VPOS (first_unchanged_at_end_row, w->current_matrix);
           int from = XFASTINT (w->top) + first_unchanged_at_end_vpos;
-          int end = XFASTINT (w->top) + window_internal_height (w);
+          int end = (XFASTINT (w->top)
+                     + (WINDOW_WANTS_HEADER_LINE_P (w) ? 1 : 0)
+                     + window_internal_height (w));
           
           /* Perform the operation on the screen.  */
           if (dvpos > 0)