From 0785204717f4f304e28ca187dd9a578e8ca9d139 Mon Sep 17 00:00:00 2001
From: FranklinDM <mrmineshafter17@gmail.com>
Date: Sat, 17 Nov 2018 21:49:36 +0800
Subject: [PATCH] Fix undefined isSameDocument

---
 application/palemoon/base/content/tabbrowser.xml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/application/palemoon/base/content/tabbrowser.xml b/application/palemoon/base/content/tabbrowser.xml
index 9479db109b..929afd057d 100644
--- a/application/palemoon/base/content/tabbrowser.xml
+++ b/application/palemoon/base/content/tabbrowser.xml
@@ -702,6 +702,8 @@
               let topLevel = aWebProgress.isTopLevel;
 
               if (topLevel) {
+                let isSameDocument =
+                  !!(aFlags & Ci.nsIWebProgressListener.LOCATION_CHANGE_SAME_DOCUMENT);
                 // We need to clear the typed value
                 // if the document failed to load, to make sure the urlbar reflects the
                 // failed URI (particularly for SSL errors). However, don't clear the value