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:<div style="background: #ececec; font-style: italic;">''This page contains computer code. Unlike all articles on the '''lensowiki''', which are released under the [[GFDL]], this code is released under the [[GPL]].''<p>Copyright 2006, 2007 Paul Borokhov. All rights reserved.</p><p>This code is free software; you can redistribute it and/or modify it under the terms of the [[GNU General Public License]] [http://www.gnu.org/licenses/gpl.html as published] by the [http://www.fsf.org/ Free Software Foundation]; either version 2 of the License, or (at your option) any later version.</p><p>The code 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.</p><p>You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</p></div>