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diff --git a/src/corelib/tools/qmargins.cpp b/src/corelib/tools/qmargins.cpp
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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 QtCore 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmargins.h"
+#include "qdatastream.h"
+#include "qdebug.h"
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QMargins
+    \ingroup painting
+    \since 4.6
+
+    \brief The QMargins class defines the four margins of a rectangle. 
+
+    QMargin defines a set of four margins; left, top, right and bottom,
+    that describe the size of the borders surrounding a rectangle.
+
+    The isNull() function returns true only if all margins are set to zero.
+
+    QMargin objects can be streamed as well as compared.
+*/
+
+
+/*****************************************************************************
+  QMargins member functions
+ *****************************************************************************/
+
+/*!
+    \fn QMargins::QMargins()
+
+    Constructs a margins object with all margins set to 0.
+
+    \sa isNull()
+*/
+
+/*!
+    \fn QMargins::QMargins(int left, int top, int right, int bottom)
+
+    Constructs margins with the given \a left, \a top, \a right, \a bottom
+
+    \sa setLeft(), setRight(), setTop(), setBottom()
+*/
+
+/*!
+    \fn bool QMargins::isNull() const
+
+    Returns true if all margins are is 0; otherwise returns
+    false.
+*/
+
+
+/*!
+    \fn int QMargins::left() const
+
+    Returns the left margin.
+
+    \sa setLeft()
+*/
+
+/*!
+    \fn int QMargins::top() const
+
+    Returns the top margin.
+
+    \sa setTop()
+*/
+
+/*!
+    \fn int QMargins::right() const
+
+    Returns the right margin.
+*/
+
+/*!
+    \fn int QMargins::bottom() const
+
+    Returns the bottom margin.
+*/
+
+
+/*!
+    \fn void QMargins::setLeft(int left)
+
+    Sets the left margin to \a left.
+*/
+
+/*!
+    \fn void QMargins::setTop(int Top)
+
+    Sets the Top margin to \a Top.
+*/
+
+/*!
+    \fn void QMargins::setRight(int right)
+
+    Sets the right margin to \a right.
+*/
+
+/*!
+    \fn void QMargins::setBottom(int bottom)
+
+    Sets the bottom margin to \a bottom.
+*/
+
+/*!
+    \fn bool operator==(const QMargins &m1, const QMargins &m2)
+    \relates QMargins
+
+    Returns true if \a m1 and \a m2 are equal; otherwise returns false.
+*/
+
+/*!
+    \fn bool operator!=(const QMargins &m1, const QMargins &m2)
+    \relates QMargins
+
+    Returns true if \a m1 and \a m2 are different; otherwise returns false.
+*/
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug dbg, const QMargins &m) {
+    dbg.nospace() << "QMargins(" << m.left() << ", "
+            << m.top() << ", " << m.right() << ", " << m.bottom() << ')';
+    return dbg.space();
+}
+#endif
+
+QT_END_NAMESPACE