LDMud, a LPmud gamedriver.
Copyright 1997-2007 by Lars Duening.
Copyright 2008 by Bertram Felgenhauer, Alexander Motzkau and Dominik Schaefer.

LDMud is based on LPmud, which is
Copyright 1989-1991 by Lars Pensj|, and, starting with version 3.1.2,
Copyright 1991-1997 by Joern Rennecke.

All rights reserved. Permission is granted to use, extend and modify
the source code and any executables created from the source code
provided subject to the restriction that the source code and any
executables created therefrom may not be used in any way whatsoever
for monetary gain.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
THE POSSIBILITY OF SUCH DAMAGE.

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LDMud contains contributions of many volunteers as listed in the file CREDITS.
Of these, the following packages are subject of their own copyright when
used outside the context of this gamedriver; please refer to the appropriate
files for details.

The regexp package is based on the code written by Henry Spencer.

The portable crypt() implementation is Copyright by Eric Young.

The smalloc allocator was written by Sean T. Barrett and put into the
public domain.

The 'ed' editor (with the exception of the indentation code) is Copyright
by Brian Beattie, Kees Bot and others.

The non-corrupting indentation code for the 'ed' editor was written and
contributed by Felix A. Croes (<felix@dworkin.nl>) from his DGD gamedriver.

The sprintf() efun was written by Sean A. Reith and put into the public
domain.

All code taken from the MudOS driver is Copyright by Tim Hollebeek and
the original authors. Use for other purposes than LPmud drivers or under
licenses significantly different from the original LPmud license needs
explicite permission.

The random() efun is implemented using the Mersenne Twister generator which is
Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura, and subject
to a BSD-style license. The implementation is the faster implementation based
on Shawn Cokus and Matthew Belle's improvements.  See random.c for the full
text of the license.

The xerq demon is Copyright (C) 1995 by Brian Gerst. Use of the source
code is subject to the restriction that it must not be used for monetary
gain.

The MD5 message digest algorithm is Copyright (C) 1991-2, RSA Data Security,
Inc.

The Apache-compatible MD5 password encryption is Copyright (C) 2000 Apache
Software Foundation.

The PCRE (Perl Compatible Regular Expression) is Copyright (C) 1997-2001 by
Philip Hazel. LDMud contains just the files required for the driver (with
small modifications); see pcre/LICENCE for the licence terms and the location
of the full package, and pcre/README.LDMUD for an explanation of the changes.

The lpc-mode.el for EMACS is Copyright (C) 2002 Vivek Dasmohapatra
<vivek@etla.org>, and distributed under the GPL.

The PostgreSQL package is based on code written and donated 2001 by Florian
Heinz.

The MCCP implementation was originally written for Finalfrontier by
Bastian Hoyer.

The XML implementation using Iksemel and libxml2 is based on code written
and donated 2008 resp. 2009 by Heiko Kopp.