From 928371f0a4d3bd2308598fe176dbd2875269954f Mon Sep 17 00:00:00 2001
From: Piro / SHIMODA Hiroshi <piro@p.club.ne.jp>
Date: Tue, 7 Dec 2010 01:56:21 +0900
Subject: [PATCH] regression: tabs can be focused unexpectedly

---
 content/treestyletab/treestyletabbrowser.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/content/treestyletab/treestyletabbrowser.js b/content/treestyletab/treestyletabbrowser.js
index ae71baaf..9f4d153e 100644
--- a/content/treestyletab/treestyletabbrowser.js
+++ b/content/treestyletab/treestyletabbrowser.js
@@ -3015,6 +3015,8 @@ TreeStyleTabBrowser.prototype = {
 			) {
 			// prevent to select the tab for clicking on twisty
 			aEvent.stopPropagation();
+			// prevent to focus to the tab element itself
+			aEvent.preventDefault();
 		}
 		else {
 			this.onMozMouseHittest(aEvent);