I just ran into the following license. It is GPL v2 or GPL v3+ KDE exception. Note the absence of GPLv2.1. If 2.1 was included, the name would be GPL-2+-with-KDE-exception, but since it isn't, what is the protocol?

GPL-2or3-with-KDE-exception
???

Here is the code license notice:
/****************************************************************************************
* Copyright (c) 2007 Ian Monroe <ian@...> *
* (c) 2010 Jeff Mitchell <mitchell@...> *
* *
* This program is free software; you can redistribute it and/or modify it under *
* the terms of the GNU General Public License as published by the Free Software *
* Foundation; either version 2 of the License, or (at your option) version 3 or *
* any later version accepted by the membership of KDE e.V. (or its successor approved *
* by the membership of KDE e.V.), which shall act as a proxy defined in Section 14 of *
* version 3 of the license. *
* *
* This program is distributed in the hope that it will be useful, but WITHOUT ANY *
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A *
* PARTICULAR PURPOSE. See the GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License along with *
* this program. If not, see <http://www.gnu.org/licenses/>. *
****************************************************************************************/


Thanks,
Bob Gobeille
Hewlett Packard
Open Source Program Office
(http://fossology.org)