1 files changed, 1 insertions, 0 deletions
diff --git a/tmux.h b/tmux.h
index 0f9cb26e..2d0ccede 100644
--- a/tmux.h
+++ b/tmux.h
@@ -826,6 +826,7 @@ struct window_pane {
 #define PANE_RESIZE 0x8
 #define PANE_FOCUSPUSH 0x10
 #define PANE_INPUTOFF 0x20
+#define PANE_CHANGED 0x40
 
 	int		 argc;
 	char	       **argv;