Allow panes to be empty (no command), output can be piped to them with

split-window or display-message -I.

1 files changed, 4 insertions, 1 deletions

diff --git a/format.c b/format.c
index abcdb1d7..a3a58d92 100644
--- a/format.c
+++ b/format.c
@@ -2031,7 +2031,10 @@ format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
 
 	if ((wp->flags & PANE_STATUSREADY) && WIFEXITED(status))
 		format_add(ft, "pane_dead_status", "%d", WEXITSTATUS(status));
-	format_add(ft, "pane_dead", "%d", wp->fd == -1);
+	if (~wp->flags & PANE_EMPTY)
+		format_add(ft, "pane_dead", "%d", wp->fd == -1);
+	else
+		format_add(ft, "pane_dead", "0");
 
 	format_add(ft, "pane_left", "%u", wp->xoff);
 	format_add(ft, "pane_top", "%u", wp->yoff);