1 files changed, 1 insertions, 0 deletions

diff --git a/src/dispextern.h b/src/dispextern.h
index a501d6c1d4e..7485e6f5388 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -2158,6 +2158,7 @@ void produce_special_glyphs P_ ((struct it *, enum display_element_type));
 void start_display P_ ((struct it *, struct window *, struct text_pos));
 void move_it_to P_ ((struct it *, int, int, int, int, int));
 void move_it_vertically P_ ((struct it *, int));
+void move_it_vertically_backward P_ ((struct it *, int));
 void move_it_by_lines P_ ((struct it *, int, int));
 void move_it_past_eol P_ ((struct it *));
 int frame_mode_line_height P_ ((struct frame *));