GPL 2.0 or later with Ada exception

This library 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) any later version.

This library 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 library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

As a special exception, if other files instantiate generics from this
unit, or you link this unit with other files to produce an executable,
this  unit  does not  by itself cause  the resulting executable to be
covered by the GNU General Public License. This exception does not
however invalidate any other reasons why the executable file  might be
covered by the  GNU Public License.