Revision control

++ /****************************************************************************
++ **
++ ** Copyright (C) 2017 The Qt Company Ltd.
++ ** Contact: Nokia Corporation (qt-info@nokia.com)
++ **
++ ** This file is part of the (whatever) of the Qt Toolkit.
++ **
++ ** $QT_BEGIN_LICENSE:GPL-EXCEPT$
++ ** Commercial License Usage
++ ** Licensees holding valid commercial Qt licenses may use this file in
++ ** accordance with the commercial license agreement provided with the
++ ** Software or, alternatively, in accordance with the terms contained in
++ ** a written agreement between you and The Qt Company. For licensing terms
++ ** and conditions see https://www.qt.io/terms-conditions. For further
++ ** information use the contact form at https://www.qt.io/contact-us.
++ **
++ ** GNU General Public License Usage
++ ** Alternatively, this file may be used under the terms of the GNU
++ ** General Public License version 3 as published by the Free Software
++ ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
++ ** included in the packaging of this file. Please review the following
++ ** information to ensure the GNU General Public License requirements will
++ **
++ ** $QT_END_LICENSE$
++ **
++ ****************************************************************************/
++
++ // code goes here ...