What:      ZSH license
Original:  The source files for the Windows port of ZSH include this notice.
Retrieved: 21-Nov-2006
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    Copyright (c) 1992-1996 Paul Falstad
    All rights reserved.

    Permission is hereby granted, without written agreement and without
    license or royalty fees, to use, copy, modify, and distribute this
    software and to distribute modified versions of this software for any
    purpose, provided that the above copyright notice and the following
    two paragraphs appear in all copies of this software.

    In no event shall Paul Falstad or the Zsh Development Group be liable
    to any party for direct, indirect, special, incidental, or consequential
    damages arising out of the use of this software and its documentation,
    even if Paul Falstad and the Zsh Development Group have been advised of
    the possibility of such damage.

    Paul Falstad and the Zsh Development Group specifically disclaim any
    warranties, including, but not limited to, the implied warranties of
    merchantability and fitness for a particular purpose.  The software
    provided hereunder is on an "as is" basis, and Paul Falstad and the
    Zsh Development Group have no obligation to provide maintenance,
    support, updates, enhancements, or modifications.