From 63ce315380ec3442d13277b5ccc814a11e914054 Mon Sep 17 00:00:00 2001
From: piro <piro@599a83e7-65a4-db11-8015-0010dcdd6dc2>
Date: Thu, 24 Dec 2009 05:26:02 +0000
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git-svn-id: http://www.cozmixng.org/repos/piro/treestyletab/trunk@5597 599a83e7-65a4-db11-8015-0010dcdd6dc2
---
 content/treestyletab/treestyletab.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/content/treestyletab/treestyletab.js b/content/treestyletab/treestyletab.js
index c8f46cd3..c7444062 100644
--- a/content/treestyletab/treestyletab.js
+++ b/content/treestyletab/treestyletab.js
@@ -941,7 +941,7 @@ var TreeStyleTabService = {
  
 	isSubtreeCollapsed : function(aTab) /* PUBLIC API */ 
 	{
-		if (!aTab || !this.canCollapseSubtree(aTab))
+		if (!aTab || !this.canCollapseSubtree(aTab) || !this.hasChildTabs(aTab))
 			return false;
 
 		return aTab.getAttribute(this.kSUBTREE_COLLAPSED) == 'true';