2 Copyright (C) 1989 by the Massachusetts Institute of Technology
4 Export of this software from the United States of America may
5 require a specific license from the United States Government.
6 It is the responsibility of any person or organization contemplating
7 export to obtain such a license before exporting.
9 WITHIN THAT CONSTRAINT, Permission to use, copy, modify, and
10 distribute this software and its documentation for any purpose and
11 without fee is hereby granted, provided that the above copyright
12 notice appear in all copies and that both that copyright notice and
13 this permission notice appear in supporting documentation, and that
14 the name of M.I.T. not be used in advertising or publicity pertaining
15 to distribution of the software without specific, written prior
16 permission. Furthermore if you modify this software you must label
17 your software as modified software and not distribute it in such a
18 fashion that it might be confused with the original M.I.T. software.
19 M.I.T. makes no representations about the suitability of
20 this software for any purpose. It is provided "as is" without express