From 436015c191f8f1b01176f7ea330d4d3d2b80e4ce Mon Sep 17 00:00:00 2001
From: Heinrich Fenkart <hnrch02@gmail.com>
Date: Fri, 8 Aug 2014 01:23:50 +0200
Subject: [PATCH] Collapse: count `.collapsing` elements as actives; closes
 #13447

---
 js/collapse.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/collapse.js b/js/collapse.js
index a265344f40..6ffdb33476 100644
--- a/js/collapse.js
+++ b/js/collapse.js
@@ -42,7 +42,7 @@
     this.$element.trigger(startEvent)
     if (startEvent.isDefaultPrevented()) return
 
-    var actives = this.$parent && this.$parent.find('> .panel > .in')
+    var actives = this.$parent && this.$parent.find('> .panel').children('.in, .collapsing')
 
     if (actives && actives.length) {
       var hasData = actives.data('bs.collapse')