diff --git a/mozilla/htmlparser/src/nsIExpatTokenizer.h b/mozilla/htmlparser/src/nsIExpatTokenizer.h
new file mode 100644
index 00000000000..dc89c274526
--- /dev/null
+++ b/mozilla/htmlparser/src/nsIExpatTokenizer.h
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL")=0; you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+
+/**
+ * MODULE NOTES:
+ * @update  nra 2/24/99
+ * 
+ */
+
+#ifndef __NSIEXPATTOKENIZER__
+#define __NSIEXPATTOKENIZER__
+
+#include "nsISupports.h"
+#include "prtypes.h"
+#include "nshtmlpars.h"
+#include "xmlparse.h"
+
+class CToken;
+class nsScanner;
+
+#define NS_IEXPATTOKENIZER_IID      \
+  {0xf86a4380, 0xce17, 0x11d2, {0x80, 0x3f, 0x00, 0x60, 0x08, 0x98, 0x28, 0x77}}
+
+class nsIExpatTokenizer : public nsITokenizer {
+public:
+  /* Methods for setting callbacks on the expat parser */
+  virtual void SetElementHandler(XML_StartElementHandler start, XML_EndElementHandler end)=0;
+  virtual void SetCharacterDataHandler(XML_CharacterDataHandler handler)=0;
+  virtual void SetProcessingInstructionHandler(XML_ProcessingInstructionHandler handler)=0;
+  virtual void SetDefaultHandler(XML_DefaultHandler handler)=0;
+  virtual void SetUnparsedEntityDeclHandler(XML_UnparsedEntityDeclHandler handler)=0;
+  virtual void SetNotationDeclHandler(XML_NotationDeclHandler handler)=0;
+  virtual void SetExternalEntityRefHandler(XML_ExternalEntityRefHandler handler)=0;
+  virtual void SetUnknownEncodingHandler(XML_UnknownEncodingHandler handler, void *encodingHandlerData)=0;
+  
+};
+
+
+#endif
+
diff --git a/mozilla/parser/htmlparser/src/nsIExpatTokenizer.h b/mozilla/parser/htmlparser/src/nsIExpatTokenizer.h
new file mode 100644
index 00000000000..dc89c274526
--- /dev/null
+++ b/mozilla/parser/htmlparser/src/nsIExpatTokenizer.h
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL")=0; you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+
+/**
+ * MODULE NOTES:
+ * @update  nra 2/24/99
+ * 
+ */
+
+#ifndef __NSIEXPATTOKENIZER__
+#define __NSIEXPATTOKENIZER__
+
+#include "nsISupports.h"
+#include "prtypes.h"
+#include "nshtmlpars.h"
+#include "xmlparse.h"
+
+class CToken;
+class nsScanner;
+
+#define NS_IEXPATTOKENIZER_IID      \
+  {0xf86a4380, 0xce17, 0x11d2, {0x80, 0x3f, 0x00, 0x60, 0x08, 0x98, 0x28, 0x77}}
+
+class nsIExpatTokenizer : public nsITokenizer {
+public:
+  /* Methods for setting callbacks on the expat parser */
+  virtual void SetElementHandler(XML_StartElementHandler start, XML_EndElementHandler end)=0;
+  virtual void SetCharacterDataHandler(XML_CharacterDataHandler handler)=0;
+  virtual void SetProcessingInstructionHandler(XML_ProcessingInstructionHandler handler)=0;
+  virtual void SetDefaultHandler(XML_DefaultHandler handler)=0;
+  virtual void SetUnparsedEntityDeclHandler(XML_UnparsedEntityDeclHandler handler)=0;
+  virtual void SetNotationDeclHandler(XML_NotationDeclHandler handler)=0;
+  virtual void SetExternalEntityRefHandler(XML_ExternalEntityRefHandler handler)=0;
+  virtual void SetUnknownEncodingHandler(XML_UnknownEncodingHandler handler, void *encodingHandlerData)=0;
+  
+};
+
+
+#endif
+