Copyright (c) 2015
	Cameron Wills. All rights reserved.

Copyright (c) 2001 - 2005
	Yuan Wang. All rights reserved.

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.
3. Redistributions in any form must be accompanied by information on
how to obtain complete source code for the X-Diff software and any
accompanying software that uses the X-Diff software.  The source code
must either be included in the distribution or be available for no 
more than the cost of distribution plus a nominal fee, and must be
freely redistributable under reasonable conditions.  For an executable
file, complete source code means the source code for all modules it
contains.  It does not include source code for modules or files that 
typically accompany the major components of the operating system on
which the executable file runs.

THIS SOFTWARE IS PROVIDED BY YUAN WANG "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT,
ARE DISCLAIMED.  IN NO EVENT SHALL YUAN WANG 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.