Index: cmd-break-pane.c
===================================================================
--- cmd-break-pane.c	(revision 2717)
+++ cmd-break-pane.c	(working copy)
@@ -30,8 +30,8 @@
 
 const struct cmd_entry cmd_break_pane_entry = {
 	"break-pane", "breakp",
-	"dt:", 0, 0,
-	"[-d] " CMD_TARGET_PANE_USAGE,
+	"dPF:t:", 0, 0,
+	"[-dP] [-F format] " CMD_TARGET_PANE_USAGE,
 	0,
 	NULL,
 	NULL,
@@ -49,6 +49,10 @@
 	char			*name;
 	char			*cause;
 	int			 base_idx;
+	struct client		*c;
+	struct format_tree	*ft;
+	const char		*template;
+	char			*cp;
 
 	if ((wl = cmd_find_pane(ctx, args_get(args, 't'), &s, &wp)) == NULL)
 		return (-1);
@@ -88,5 +92,22 @@
 	server_redraw_session(s);
 	server_status_session_group(s);
 
+	if (args_has(args, 'P')) {
+		template = "#{session_name}:#{window_index}";
+		if (args_has(args, 'F'))
+			template = args_get(args, 'F');
+		ft = format_create();
+		if ((c = cmd_find_client(ctx, NULL)) != NULL)
+		    format_client(ft, c);
+		format_session(ft, s);
+		format_winlink(ft, s, wl);
+		format_window_pane(ft, wp);
+
+		cp = format_expand(ft, template);
+		ctx->print(ctx, "%s", cp);
+		xfree(cp);
+
+		format_free(ft);
+	}
 	return (0);
 }
Index: tmux.1
===================================================================
--- tmux.1	(revision 2717)
+++ tmux.1	(working copy)
@@ -1000,7 +1000,8 @@
 Commands related to windows and panes are as follows:
 .Bl -tag -width Ds
 .It Xo Ic break-pane
-.Op Fl d
+.Op Fl dP
+.Op Fl F Ar format
 .Op Fl t Ar target-pane
 .Xc
 .D1 (alias: Ic breakp )
@@ -1010,6 +1011,13 @@
 If
 .Fl d
 is given, the new window does not become the current window.
+The
+.Fl P
+option prints information about the new window after it has been created.
+By default, it uses the format
+.Ql #{session_name}:#{window_index}
+but a different format may be specified with
+.Fl F .
 .It Xo Ic capture-pane
 .Op Fl b Ar buffer-index
 .Op Fl E Ar end-line