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The files in the base, psi, lib, toolbin, examples, doc, man and iccprofiles directories (folders), and pcl, xps and gpdl directories (folders), if included, and any subdirectories (sub-folders) thereof are part of GPL Ghostscript. The files in the Resource directory and any subdirectories thereof are also part of GPL Ghostscript, with the explicit exception of the files in the CMap subdirectory (except "Identity-UTF16-H", which is part of GPL Ghostscript). The CMap files are copyright Adobe Systems Incorporated and covered by a separate, Affero GPL compatible license. Additionally, the font files (in Resource/Font) are distributed under the AGPL with the following exemption: As a special exception, permission is granted to include these font programs in a Postscript or PDF file that consists of a document that contains text to be displayed or printed using this font, regardless of the conditions or license applying to the document itself. The files under the jpegxr directory and any subdirectories thereof are distributed under a no cost, open source license granted by the ITU/ISO/IEC but it is not Affero GPL compatible - see jpegxr/COPYRIGHT.txt for details. GPL Ghostscript is free software; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. GPL Ghostscript 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 Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program so you can know your rights and responsibilities. It should be in a file named doc/COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place Suite 330, Boston, MA 02111-1307, USA. --- GPL Ghostscript contains an implementation of techniques covered by US Patents 5,055,942 and 5,917,614, and corresponding international patents. These patents are licensed for use with GPL Ghostscript under the following grant: Whereas, Raph Levien (hereinafter "Inventor") has obtained patent protection for related technology (hereinafter "Patented Technology"), Inventor wishes to aid the the GNU free software project in achieving its goals, and Inventor also wishes to increase public awareness of Patented Technology, Inventor hereby grants a fully paid up, nonexclusive, royalty free license to practice the patents listed below ("the Patents") if and only if practiced in conjunction with software distributed under the terms of any version of the GNU Affero General Public License as published by the Free Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111. Inventor reserves all other rights, including without limitation, licensing for software not distributed under the GNU Affero General Public License. 5055942 Photographic image reproduction device using digital halftoning to screen images allowing adjustable coarseness 5917614 Method and apparatus for error diffusion screening of images with improved smoothness in highlight and shadow regions