diff -r 000000000000 -r bde4ae8d615e os/textandloc/charconvfw/charconvplugins/src/inc/gb18030_diff_gbk.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/textandloc/charconvfw/charconvplugins/src/inc/gb18030_diff_gbk.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,42 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+#if !defined(__GB18030_DIFF_GBK_H__)
+#define __GB18030_DIFF_GBK_H__
+
+#if !defined(__E32STD_H__)
+#include <e32std.h>
+#endif
+
+#if !defined(__CHARCONV_H__)
+#include <charconv.h>
+#endif
+
+class CnvGb18030_diff_gbk
+/**
+only to be used by CHARCONV plug-in DLLs
+@internalComponent
+*/
+	{
+public:
+	IMPORT_C static const TDesC8& ReplacementForUnconvertibleUnicodeCharacters();
+	IMPORT_C static const SCnvConversionData& ConversionData();
+	};
+
+#endif
+