From da0a4bbfea3fc143906690b77d0cfd3fbef26635 Mon Sep 17 00:00:00 2001
From: "bzbarsky%mit.edu"
 <bzbarsky%mit.edu@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Fri, 24 Aug 2007 01:50:14 +0000
Subject: [PATCH] Add comment for bug 388579

git-svn-id: svn://10.0.0.236/trunk@232999 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/docshell/base/nsDocShell.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mozilla/docshell/base/nsDocShell.h b/mozilla/docshell/base/nsDocShell.h
index 7128622e4c7..2e3dcce912b 100644
--- a/mozilla/docshell/base/nsDocShell.h
+++ b/mozilla/docshell/base/nsDocShell.h
@@ -512,6 +512,9 @@ protected:
     PRPackedBool               mAllowAuth;
     PRPackedBool               mAllowKeywordFixup;
 
+    // This boolean is set to true right before we fire pagehide and generally
+    // unset when we embed a new content viewer.  While it's true no navigation
+    // is allowed in this docshell.
     PRPackedBool               mFiredUnloadEvent;
 
     // this flag is for bug #21358. a docshell may load many urls