5487 window title is blank for pages with no title tags ...

xpfe/browser/src/navigator.xul

@@ -5,6 +5,7 @@
 <!DOCTYPE window
 [
 <!ENTITY mainWindow.title "Mozilla"> 
+<!ENTITY mainWindow.titlemodifier " - Mozilla"> 
 <!ENTITY throbber.url "http://www.mozilla.org"> 
 <!ENTITY fileMenu.label "File">
 <!ENTITY browserCmd.label "New Browser Window">
@@ -262,7 +263,7 @@
 <window id="main-window" xmlns:html="http://www.w3.org/TR/REC-html40"
 	xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-        onload="Startup()" title="&mainWindow.title;"> 
+        onload="Startup()" title="&mainWindow.title;" titlemodifier="&mainWindow.titlemodifier;"> 
 
   <html:script language="javascript" src="navigator.js">
   </html:script>