X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=doc%2Flicense.texi;h=25fe4cdc06bcda9b2b0a4f64c47c750c5574c44b;hb=8af88c0b7ea2fe75df7e45497988ed0371006a86;hp=3521a21dfc9c401c9a1a382744ac1ef4e1a042c6;hpb=13c382bdb6763e544cc5fc621c2a006e0dfafffe;p=pspp-builds.git

diff --git a/doc/license.texi b/doc/license.texi
index 3521a21d..25fe4cdc 100644
--- a/doc/license.texi
+++ b/doc/license.texi
@@ -1,11 +1,13 @@
-@node License, Invocation, Introduction, Top
+@node License
 @chapter Your rights and obligations
 @cindex license
+@cindex licence
 @cindex your rights and obligations
 @cindex rights, your
+@cindex copyright
 @cindex obligations, your
 
-PSPP is not in the public domain; it is copyrighted and there are
+PSPP is not in the public domain. It is copyrighted and there are
 restrictions on its distribution, but these restrictions are designed
 to permit everything that a good cooperating citizen would want to do.
 What is not allowed is to try to prevent others from further sharing
@@ -28,8 +30,16 @@ modified by someone else and passed on, we want their recipients to
 know that what they have is not what we distributed, so that any
 problems introduced by others will not reflect on our reputation.
 
-The precise conditions of the licenses for PSPP are found in the
-General Public Licenses that accompany them.  This manual specifically
+Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+The precise conditions of the license for PSPP are found in the
+GNU General Public License.  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., 51 Franklin Street, Fifth
+Floor, Boston, MA 02110-1301 USA. This manual specifically
 is covered by the GNU Free Documentation License (@pxref{GNU Free
 Documentation License}).
-