diff --git a/mailnews/base/public/nsIMessenger.idl b/mailnews/base/public/nsIMessenger.idl
index ac1a24cfaa0d..677f970df6b7 100644
--- a/mailnews/base/public/nsIMessenger.idl
+++ b/mailnews/base/public/nsIMessenger.idl
@@ -86,6 +86,8 @@ interface nsIMessenger : nsISupports {
       */
     void loadURL(in nsIDOMWindowInternal ptr, in string aURL); 
 
+    void launchExternalURL(in string aURL);
+
     void RenameFolder(in nsIRDFCompositeDataSource db, 
                       in nsIRDFResource folder, in wstring name);
     void CompactFolder(in nsIRDFCompositeDataSource db,
diff --git a/mailnews/base/public/nsIMsgMailNewsUrl.idl b/mailnews/base/public/nsIMsgMailNewsUrl.idl
index 9de5bd20a2fc..9c8130f596f1 100644
--- a/mailnews/base/public/nsIMsgMailNewsUrl.idl
+++ b/mailnews/base/public/nsIMsgMailNewsUrl.idl
@@ -106,7 +106,7 @@ interface nsIMsgMailNewsUrl : nsIURL {
 	const unsigned long eMove     = 1;
 	const unsigned long eDisplay  = 2;
 	boolean IsUrlType(in unsigned long type);
-        nsIStreamListener getSaveAsListener(in boolean addDummyEnvelope, in nsIFileSpec aFileSpec);
+    nsIStreamListener getSaveAsListener(in boolean addDummyEnvelope, in nsIFileSpec aFileSpec);
 };
 
 //////////////////////////////////////////////////////////////////////////////////