LICENSE The groff program is a free software project. It is licensed under the GNU Public General License (GPL), the major GNU copyleft license. The file COPYING in the top directory of the groff source package contains a copy of the GPL that was downloaded from the GNU web site http://www.gnu.org/copyleft/gpl.txt at 1 dec 2003. All files of the groff source package are licensed under this version of the GPL (or licenses which are compatible with the GPL). According to the GPL, you are also free to choose any later version of the GPL. The GPL names an address where you can get the actual version by normal post. Further information is found in the internet at http://www.gnu.org/copyleft. In addition to specifying a license, US law enforces that each file is copyrighted. As the groff program is a GNU project, the copyright of all files of the groff source package which are using the GPL has been assigned to the Free Sofware Foundation (FSF). Information on GNU and FSF is found at http://www.fsf.org/.