1 files changed, 1 insertions, 0 deletions
diff --git a/tmux.h b/tmux.h
index d2409f62..3aed2560 100644
--- a/tmux.h
+++ b/tmux.h
@@ -357,6 +357,7 @@ struct msg_resize_data {
 /* Editing keys. */
 enum mode_key_cmd {
 	MODEKEYCMD_BACKSPACE = 0x1000,
+	MODEKEYCMD_BACKTOINDENTATION,
 	MODEKEYCMD_CHOOSE,
 	MODEKEYCMD_CLEARSELECTION,
 	MODEKEYCMD_COMPLETE,