diff --git a/dom/public/coreDom/MANIFEST b/dom/public/coreDom/MANIFEST
index 7b9a9fdbff45..c4ba5a51b560 100644
--- a/dom/public/coreDom/MANIFEST
+++ b/dom/public/coreDom/MANIFEST
@@ -34,6 +34,7 @@ nsIDOMDocumentView.h
 nsIDOMElement.h
 nsIDOMEntity.h
 nsIDOMEntityReference.h
+nsIDOMLinkStyle.h
 nsIDOMMediaList.h
 nsIDOMNotation.h
 nsIDOMNSDocument.h
diff --git a/dom/public/coreDom/Makefile.in b/dom/public/coreDom/Makefile.in
index ec4c51a4de6f..8cea0f9058ea 100644
--- a/dom/public/coreDom/Makefile.in
+++ b/dom/public/coreDom/Makefile.in
@@ -43,6 +43,7 @@ EXPORTS		= \
 		nsIDOMElement.h \
 		nsIDOMEntity.h \
 		nsIDOMEntityReference.h \
+		nsIDOMLinkStyle.h \
 		nsIDOMMediaList.h \
 		nsIDOMNotation.h \
 		nsIDOMNSDocument.h \
diff --git a/dom/public/coreDom/makefile.win b/dom/public/coreDom/makefile.win
index 5909b144fc2a..97d8562c9739 100644
--- a/dom/public/coreDom/makefile.win
+++ b/dom/public/coreDom/makefile.win
@@ -38,6 +38,7 @@ EXPORTS = \
 	nsIDOMElement.h				\
 	nsIDOMEntity.h				\
 	nsIDOMEntityReference.h			\
+	nsIDOMLinkStyle.h			\
 	nsIDOMMediaList.h			\
 	nsIDOMNotation.h			\
 	nsIDOMNSDocument.h			\
diff --git a/dom/public/coreDom/nsIDOMLinkStyle.h b/dom/public/coreDom/nsIDOMLinkStyle.h
new file mode 100644
index 000000000000..02daba433c15
--- /dev/null
+++ b/dom/public/coreDom/nsIDOMLinkStyle.h
@@ -0,0 +1,54 @@
+/* -*- 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 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+/* AUTO-GENERATED. DO NOT EDIT!!! */
+
+#ifndef nsIDOMLinkStyle_h__
+#define nsIDOMLinkStyle_h__
+
+#include "nsISupports.h"
+#include "nsString.h"
+#include "nsIScriptContext.h"
+
+class nsIDOMStyleSheet;
+
+#define NS_IDOMLINKSTYLE_IID \
+ { 0x24d89a65, 0xf598, 0x481e, \
+  { 0xa2, 0x97, 0x23, 0xcc, 0x02, 0x59, 0x9b, 0xbd } } 
+
+class nsIDOMLinkStyle : public nsISupports {
+public:
+  static const nsIID& GetIID() { static nsIID iid = NS_IDOMLINKSTYLE_IID; return iid; }
+
+  NS_IMETHOD    GetSheet(nsIDOMStyleSheet** aSheet)=0;
+};
+
+
+#define NS_DECL_IDOMLINKSTYLE   \
+  NS_IMETHOD    GetSheet(nsIDOMStyleSheet** aSheet);  \
+
+
+
+#define NS_FORWARD_IDOMLINKSTYLE(_to)  \
+  NS_IMETHOD    GetSheet(nsIDOMStyleSheet** aSheet) { return _to GetSheet(aSheet); } \
+
+
+#endif // nsIDOMLinkStyle_h__
diff --git a/dom/public/idl/coreDom/ProcessingInstruction.idl b/dom/public/idl/coreDom/ProcessingInstruction.idl
index 3831284ff71d..5442b606ae07 100644
--- a/dom/public/idl/coreDom/ProcessingInstruction.idl
+++ b/dom/public/idl/coreDom/ProcessingInstruction.idl
@@ -1,8 +1,17 @@
- interface ProcessingInstruction : Node {
+interface ProcessingInstruction : Node {
  /* IID: { 0xa6cf907f, 0x15b3, 0x11d2, \
   { 0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32 } } */
 
-   readonly attribute  DOMString            target;
-            attribute  DOMString            data;
+  readonly attribute DOMString        target;
+           attribute DOMString        data;
                                        // raises(DOMException) on setting
- };
+};
+
+// Introduced in DOM Level 2:
+interface LinkStyle {
+ /* IID: { 0x24d89a65, 0xf598, 0x481e, \
+  { 0xa2, 0x97, 0x23, 0xcc, 0x02, 0x59, 0x9b, 0xbd } } */
+
+  readonly attribute StyleSheet       sheet;
+};
+