-Copyright (C)1996-2003,2006 Ian Jackson <ian@davenant.greenend.org.uk>.
-Copyright (C)2000 Ben Harris <bjh21@cam.ac.uk>
+Copyright 1996-2017 Ian Jackson <ian@davenant.greenend.org.uk>.
+Copyright 2000 Ben Harris <bjh21@cam.ac.uk>
+Copyright 2016-2017 Peter Benie <pjb1008@cam.ac.uk>