diff --git a/mozilla/editor/public/nsIEditor.h b/mozilla/editor/public/nsIEditor.h
index 9c73b858da3..5037e9bead6 100644
--- a/mozilla/editor/public/nsIEditor.h
+++ b/mozilla/editor/public/nsIEditor.h
@@ -30,6 +30,11 @@ class nsIFileSpec;
 class nsIDOMTextRangeList;
 class nsICSSStyleSheet;
 class nsIOutputStream;
+class nsIDocumentStateListener;
+class nsIDOMDocument;
+class nsIDOMSelection;
+class nsIPresShell;
+class nsString;
 
 /*
 Editor interface to outside world
@@ -56,11 +61,6 @@ Editor interface to outside world
 { 0x98, 0x3a, 0x0, 0x80, 0x5f, 0x8a, 0xa8, 0xb8 } }
 
 
-class nsIDOMDocument;
-class nsIDOMSelection;
-class nsIPresShell;
-class nsString;
-
 /**
  * A generic editor interface. 
  * <P>
@@ -428,6 +428,15 @@ public:
   /** Remove an EditActionListener from the editor's list of listeners. */
   NS_IMETHOD RemoveEditActionListener(nsIEditActionListener *aListener)=0;
 
+  /** Add a DocumentStateListener to the editors list of doc state listeners. */
+  NS_IMETHOD AddDocumentStateListener(nsIDocumentStateListener *aListener)=0;
+
+  /** Remove a DocumentStateListener to the editors list of doc state listeners. */
+  NS_IMETHOD RemoveDocumentStateListener(nsIDocumentStateListener *aListener)=0;
+  
+  /** Returns true if the document is modifed and needs saving */
+  NS_IMETHOD GetDocumentModified(PRBool *outDocModified)=0;
+  
   /** Dumps a text representation of the content tree to standard out */
   NS_IMETHOD DebugDumpContent() const =0;