1 Copyright information from Python 2.5.6 2 --------------------------------------- 3 4 Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 5 Python Software Foundation. All rights reserved. 6 7 Copyright (c) 2000 BeOpen.com. 8 All rights reserved. 9 10 Copyright (c) 1995-2001 Corporation for National Research Initiatives. 11 All rights reserved. 12 13 Copyright (c) 1991-1995 Stichting Mathematisch Centrum. 14 All rights reserved. 15 16 17 License information 18 ------------------- 19 20 See the file "LICENSE" for information on the terms & conditions for usage, 21 and a DISCLAIMER OF ALL WARRANTIES. 22 23 24 Changes to the software 25 ----------------------- 26 27 Added visit methods to the AST nodes for mutually-assisted dispatch to 28 visitors.