Import the ghostpdl code from the private trunk r3107.

git-svn-id: http://svn.ghostscript.com/ghostscript/trunk@8841 a1074d23-0009-0410-80fe-cf8c14f379e6

1 files changed, 59 insertions, 0 deletions

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 000000000..942529370
--- /dev/null
+++ b/LICENSE
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+
+  The files in the common, doc, main, pcl, pl, psi, pxl, tools
+  and xps directories (folders) and any subdirectories (sub-folders)
+  thereof are part of GhostPCL and GhostXPS.
+
+  The files in the gs directory (folder) and the subdirectories 
+  (sub-folders) thereof are part of GPL Ghostscript, along with
+  copies of its dependent third-party libraries. See the file
+  gs/LICENSE for information about this directory,
+
+  GhostPCL, GhostXPS, and GPL Ghostscript are free software; you can 
+  redistribute and/or modify them under the terms of version 2 of the
+  GNU General Public License as published by the Free Software Foundation.
+
+  GhostPCL, GhostXPS, and GPL Ghostscript are distributed in the hope 
+  that they 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 so you can know your rights and responsibilities.
+  It should be in a file named COPYING. If not, write to the
+  Free Software Foundation, Inc., 59 Temple Place Suite 330, Boston, MA
+  02111-1307, USA.
+
+ ---
+
+  The set of truetype fonts in the urwfonts directory are necessary for 
+  the PCL/XL interpreter to function propery but they are NOT FREE 
+  SOFTWARE and are NOT distributed under the GNU GPL. They can instead 
+  be redistributed under the AFPL licence which bars commercial use.
+
+ ---
+  This software (GhostPCL, GhostXPS and 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 this software 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 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 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