diff --git a/licenses/OSGPLv0.0 b/licenses/OSGPLv0.0
new file mode 100644
index 00000000..3bce5b3c
--- /dev/null
+++ b/licenses/OSGPLv0.0
@@ -0,0 +1,17 @@
+                OpenSceneGraph Public License, Version 0.0
+                ==========================================
+
+  Copyright (C) 2002 Robert Osfield.
+
+  Everyone is permitted to copy and distribute verbatim copies
+  of this licence document, but changing it is not allowed.
+
+                       OPENSCENEGRAPH PUBLIC LICENCE
+     TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  This library is free software; you can redistribute it and/or modify it
+  under the terms of the OpenSceneGraph Public License (OSGPL) version 0.0
+  or later.
+
+  Notes: the OSGPL is based on the LGPL, with the 4 exceptions laid in the wxWindows 
+  section below.  The LGPL in the final section of this license.
diff --git a/pisi-spec.rng b/pisi-spec.rng
index d7eea58c..1605c32b 100644
--- a/pisi-spec.rng
+++ b/pisi-spec.rng
@@ -389,6 +389,7 @@
                 <value>OPERA-9.0</value>
                 <value>OPL</value>
                 <value>ORIONSERVER</value>
+                <value>OSGPLv0.0</value>
                 <value>OSI-Approved</value>
                 <value>OSIRIS</value>
                 <value>OSL-1.1</value>