1 files changed, 1 insertions, 0 deletions
diff --git a/tmux.h b/tmux.h
index 5339ecee..4d19a5ab 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1843,6 +1843,7 @@ int	 grid_compare(struct grid *, struct grid *);
 void	 grid_collect_history(struct grid *);
 void	 grid_scroll_history(struct grid *);
 void	 grid_scroll_history_region(struct grid *, u_int, u_int);
+void	 grid_clear_history(struct grid *);
 void	 grid_expand_line(struct grid *, u_int, u_int);
 const struct grid_cell *grid_peek_cell(struct grid *, u_int, u_int);
 const struct grid_line *grid_peek_line(struct grid *, u_int);