diff --git a/mozilla/network/protocol/nntp/public/nsIMsgNewsArticleList.idl b/mozilla/network/protocol/nntp/public/nsIMsgNewsArticleList.idl
index 2e704f983ac..b112957e660 100644
--- a/mozilla/network/protocol/nntp/public/nsIMsgNewsArticleList.idl
+++ b/mozilla/network/protocol/nntp/public/nsIMsgNewsArticleList.idl
@@ -1,3 +1,21 @@
+/* -*- Mode: C; tab-width: 4; 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"); 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.
+ */
+
 #include "nsISupports.idl"
 
 /* this interface is basically for the old ListNewsGroupState class
diff --git a/mozilla/network/protocol/nntp/public/nsIMsgNewsHost.idl b/mozilla/network/protocol/nntp/public/nsIMsgNewsHost.idl
index b871ce33c06..756cc8b5df0 100644
--- a/mozilla/network/protocol/nntp/public/nsIMsgNewsHost.idl
+++ b/mozilla/network/protocol/nntp/public/nsIMsgNewsHost.idl
@@ -1,3 +1,20 @@
+/* -*- Mode: C; tab-width: 4; 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"); 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.
+ */
 #include "nsISupports.idl"
 
 [object, uuid(2F5041B0-939E-11d2-B7EA-00805F05FFA5)]
diff --git a/mozilla/network/protocol/nntp/public/nsIMsgNewsgroup.idl b/mozilla/network/protocol/nntp/public/nsIMsgNewsgroup.idl
index e4282ccec2f..1110c733dda 100644
--- a/mozilla/network/protocol/nntp/public/nsIMsgNewsgroup.idl
+++ b/mozilla/network/protocol/nntp/public/nsIMsgNewsgroup.idl
@@ -1,3 +1,20 @@
+/* -*- Mode: C; tab-width: 4; 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"); 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.
+ */
 
 #include "nsISupports.idl"
 
diff --git a/mozilla/network/protocol/nntp/public/nsIMsgXOVERParser.idl b/mozilla/network/protocol/nntp/public/nsIMsgXOVERParser.idl
index 170a3a114e7..8e99cfd0304 100644
--- a/mozilla/network/protocol/nntp/public/nsIMsgXOVERParser.idl
+++ b/mozilla/network/protocol/nntp/public/nsIMsgXOVERParser.idl
@@ -1,3 +1,21 @@
+/* -*- Mode: C; tab-width: 4; 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"); 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.
+ */
+
 #include "nsISupports.idl"