From 29a832a160a839fe1b1199c57b3078bc323eacaf Mon Sep 17 00:00:00 2001
From: Marein Konings <marein@science.ru.nl>
Date: Sun, 18 Jan 2015 20:48:34 +0100
Subject: [PATCH] Add 'mark' as allowed key to i3-save-tree output

---
 i3-save-tree | 1 +
 1 file changed, 1 insertion(+)

diff --git a/i3-save-tree b/i3-save-tree
index add4c8c1..c64fc72a 100755
--- a/i3-save-tree
+++ b/i3-save-tree
@@ -92,6 +92,7 @@ my %allowed_keys = map { ($_, 1) } qw(
     name
     geometry
     window_properties
+    mark
 );
 
 sub strip_containers {