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diff --git a/src/xmlpatterns/utils/qdebug_p.h b/src/xmlpatterns/utils/qdebug_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtXmlPatterns module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef Patternist_Debug_H
+#define Patternist_Debug_H
+
+#include <QtDebug>
+/**
+ * @file
+ * @short Contains macros for debugging.
+ */
+
+QT_BEGIN_NAMESPACE
+
+/**
+ * @short Enables detailed parser debug output.
+ *
+ * If this macro is defined, @em a @em lot of debugging information will be outputted.
+ * This is all the state transitions, token shifting, and rule reductions that
+ * the parser do.
+ *
+ * This is automatically disabled if @c QT_NO_DEBUG is defined.
+ */
+#define Patternist_DEBUG_PARSER
+
+/**
+ * @short Enables debug printing statements.
+ *
+ * Patternist does not use qDebug(), but pDebug() instead. It only output
+ * if this define is defined.
+ *
+ * It is automatically disabled if @c QT_NO_DEBUG is defined.
+ */
+#define Patternist_DEBUG
+
+#undef Patternist_DEBUG // disable it for now
+
+#ifdef QT_NO_DEBUG
+#   undef Patternist_DEBUG_PARSER
+#   undef Patternist_DEBUG
+#endif
+
+namespace QPatternist
+{
+#ifdef Patternist_DEBUG
+    inline QDebug pDebug()
+    {
+        return qDebug();
+    }
+#else
+    inline QNoDebug pDebug()
+    {
+        return QNoDebug();
+    }
+#endif
+}
+
+QT_END_NAMESPACE
+#endif