Copyright 2009, 2010, 2011 Kevin Ryde This file is part of constant-defer. constant-defer 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 3, or (at your option) any later version. constant-defer 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 constant-defer. If not, see <http://www.gnu.org/licenses/>. Version 5, February 2011 - fixes for perl 5.6 and earlier Version 4, September 2010 - docs clarify not inlined, as suggested by Adam Kennedy Version 3, September 2010 - test manifest only as an author test Version 2, October 2009 - avoid a circular ref in the initial sub created Version 1, September 2009 - the first version