--- a/epoc32/include/xmlenguserdata.h	Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/xmlenguserdata.h	Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,74 @@
-xmlenguserdata.h
+/*
+* Copyright (c) 2004-2005 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:       Interface class describing class that may contains user
+ *                 data aded to node
+ *
+*/
+
+
+
+
+
+
+
+#ifndef XMLENGINE_USERDATA_H_INCLUDED
+#define XMLENGINE_USERDATA_H_INCLUDED
+
+#include <e32def.h>
+
+/**
+ * MXmlEngUserData is an abstract base class (interface) for user data that can be
+ * stored in the DOM tree. Applications that wish to store user data in the 
+ * DOM tree must wrap the user data in a class that implemens this interface.
+ *
+ * @lib XmlEngineDOM.lib
+ * @since S60 v3.1
+ */
+class MXmlEngUserData {
+public:
+    /**
+     * Free memory that is allocated and do other case specific cleanup.
+     *
+     * @since S60 v3.1
+     */
+    virtual void Destroy() = 0;
+    
+    /**
+     * Make a copy of the the object. Note that if reference counting is used or
+     * the same pointer can be safely copied to other places the implementation
+     * of this method may just return a pointer to self.
+     *
+     * Copying user data when copying nodes has not been implemented
+     * so this method is for future use (though there's no harm in implementing 
+     * it, of course).
+     *
+     * @since S60 v3.1
+     * @return Pointer to a copy of this object.
+     */
+    virtual MXmlEngUserData* CloneL() = 0;
+
+    /**
+     * Get id of the object. It is up to user-data provider what the result is.
+     * Such a "user data identification" may be in use if several types of
+     * MXmlEngUserData objects are used.
+     *
+     * @since S60 v3.1
+     * @return Pointer that somehow identifies the type of MXmlEngUserData (NULL by default)
+     */
+    virtual void* ID() {return NULL;}
+};
+
+
+
+#endif /* XMLENGINE_USERDATA_H_INCLUDED*/