[gs-cvs] rev 8071 - in trunk/gs: . src/rinkj

[giles at ghostscript.com]

Author: giles
Date: 2007-06-20 15:46:08 -0700 (Wed, 20 Jun 2007)
New Revision: 8071

Modified:
   trunk/gs/LICENSE
   trunk/gs/src/rinkj/evenbetter-rll.c
Log:
Clarify the license situation with the ETS patents in the GPL 
distribution.


Modified: trunk/gs/LICENSE
===================================================================
--- trunk/gs/LICENSE	2007-06-20 19:46:52 UTC (rev 8070)
+++ trunk/gs/LICENSE	2007-06-20 22:46:08 UTC (rev 8071)
@@ -23,3 +23,31 @@
   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 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

Modified: trunk/gs/src/rinkj/evenbetter-rll.c
===================================================================
--- trunk/gs/src/rinkj/evenbetter-rll.c	2007-06-20 19:46:52 UTC (rev 8070)
+++ trunk/gs/src/rinkj/evenbetter-rll.c	2007-06-20 22:46:08 UTC (rev 8071)
@@ -16,11 +16,8 @@
 
 /*
  * Code in this module is covered by US Patents 5,055,942 and
- * 5,917,614, and corresponding international patents.  This version
- * of ETS is for commercial licensees and is governed by the licensing
- * agreement between artofcode LLC and the licensee. Please see
- * http://www.levien.com/artofcode/eventone/ for information on licensing.
-*/
+ * 5,917,614, and corresponding international patents.
+ */
 
 #include <stdio.h>
 #include <stdlib.h>