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diff --git a/src/xmlpatterns/api/qxmlnamepool.cpp b/src/xmlpatterns/api/qxmlnamepool.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qnamepool_p.h"
+#include "qxmlnamepool.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+  \class QXmlNamePool
+  \brief The QXmlNamePool class is a table of shared strings referenced by instances of QXmlName.
+  \reentrant
+  \since 4.4
+  \ingroup xml-tools
+
+  QXmlNamePool is used to optimize operations on instances of
+  QXmlName. An instance of QXmlName represents an XML name in
+  a way that allows the XML name to be compared and passed around
+  efficiently. The efficiency is achieved by storing the strings
+  comprising the XML names in an instance of QXmlNamePool, where
+  they are mapped to binary identifiers, which are then packed
+  into a key which is stored in the QXmlName.
+
+  This means that each instance of QXmlName is tied to the name
+  pool it was created with, and that name pool should be kept in
+  scope and used to create all instances of QXmlName that might
+  be compared. Note also that the name pool is required if you
+  must reconstitute the QXmlName as text, or if you must access
+  any of its component strings, so although instances of
+  QXmlName can be compared without reference to a name pool, the
+  name pool must be kept in scope if the name's strings must be
+  accessed later.
+
+  \sa QXmlName
+  \sa QXmlQuery::namePool()
+ */
+
+/*!
+  Constructs an empty name pool.
+ */
+QXmlNamePool::QXmlNamePool() : d(new QPatternist::NamePool())
+{
+}
+
+/*!
+  Constructs a copy of the \a other name pool.
+ */
+QXmlNamePool::QXmlNamePool(const QXmlNamePool &other) : d(other.d)
+{
+}
+
+/*!
+  Destroys the name pool. Instances of QXmlName constructed
+  with this name pool can still be compared after this destructor
+  is called, but their text strings cannot be accessed.
+ */
+QXmlNamePool::~QXmlNamePool()
+{
+}
+
+/*!
+  Assigns the \a other name pool to this one.
+ */
+QXmlNamePool &QXmlNamePool::operator=(const QXmlNamePool &other)
+{
+    d = other.d;
+    return *this;
+}
+
+QT_END_NAMESPACE
+