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-rw-r--r--src/window.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/window.c b/src/window.c
index 616afd6bc51..c629a30cb7d 100644
--- a/src/window.c
+++ b/src/window.c
@@ -4653,6 +4653,15 @@ displayed_window_lines (w)
move_it_vertically (&it, height);
bottom_y = line_bottom_y (&it);
+ /* rms: On a non-window display,
+ the value of it.vpos at the bottom of the screen
+ seems to be 1 larger than window_box_height (w).
+ This kludge fixes a bug whereby (move-to-window-line -1)
+ when ZV is on the last screen line
+ moves to the previous screen line instead of the last one. */
+ if (! FRAME_WINDOW_P (XFRAME (w->frame)))
+ height++;
+
/* Add in empty lines at the bottom of the window. */
if (bottom_y < height)
{