Additional Clause for US Government Use Copyright (C), 2004, The University Court of the University of Edinburgh, Old College, Edinburgh, UK Portions of the SOFTWARE (I-X) resulted from work developed under a U.S. Government contract and are subject to the following license: the Government is granted for itself and others acting on its behalf a paid-up, nonexclusive, irrevocable worldwide license in this SOFTWARE to reproduce, prepare derivative works, and perform publicly and display publicly. Other terms are stated in the main I-X Software Licence.