\author{
Guido van Rossum \\
Corporation for National Research Initiatives (CNRI) \\
1895 Preston White Drive, Reston, Va 20191, USA \\
E-mail: {\tt guido@CNRI.Reston.Va.US}, {\tt guido@python.org}
}
\date{July 31th, 1996 \\ Release 1.4beta2} % XXX update before release!