Copyright for xapian-core source package in Yangtze V1.0

This is the Debian package of the Xapian search engine library.  This
package was originally created and maintained by Richard Boulton
.  It is currently maintained by Olly Betts
.

It was downloaded from https://xapian.org/download

Upstream Authors:

        Olly Betts 
        Hein Ragas 
        Sam Liddicott 
	Ananova Ltd
	Orange PCS Ltd
	BrightStation PLC
	Dr Martin Porter
	Free Software Foundation, Inc.
	Silicon Graphics Computer Systems, Inc.
	Richard Boulton
	Lemur Consulting Ltd

Copyright:

  Copyright (C) 2002-2017 Olly Betts
  Copyright (C) 2003 Sam Liddicott
  Copyright (C) 2001,2002 Ananova Ltd
  Copyright (C) 2003 Orange PCS Ltd
  Copyright (C) 1999,2000,2001 BrightStation PLC
  Copyright (C) 2001 Hein Ragas
  Copyright (C) 2003,2006,2009,2010,2011 Richard Boulton
  Copyright (C) 2007,2008,2009,2010 Lemur Consulting Ltd
  Copyright (C) 2007,2008 Yung-chung Lin
  Copyright (C) 2007 Jenny Black
  Copyright (C) 2007 Deron Meranda
  Copyright (C) 2009 Kan-Ru Chen
  Copyright (C) 2010 Adam Sjøgren
  Copyright (C) 2010 Evgeny Sizikov
  Copyright (C) 2011 Brandon Schaefer
  Copyright (C) 2011 Action Without Borders
  Copyright (C) 2011,2012 Dan Colish
  Copyright (C) 2012 Mihai Bivol
  Copyright (C) 2012 Gaurav Arora
  Copyright (C) 2013,2014 Aarsh Shah
  Copyright (C) 2016 Vivek Pal

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 2 of the
  License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA

  See /usr/share/common-licenses/GPL-2 for the full text of the GNU GPL.

The snowball sources in the languages subdirectory are licensed under
the three clause BSD license:

  Copyright (c) 2001, Dr Martin Porter
  Copyright (c) 2004,2005, Richard Boulton
  Copyright (c) 2006,2007, Olly Betts

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * 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.
    * The name of the author may be used to endorse or promote products derived
      from this software without specific prior written permission.

  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 OWNER 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.

The following files are licensed under the MIT/X licence:

    common/serialise-double.cc
    common/serialise-double.h

  Copyright (C) 2006,2007,2008,2009 Olly Betts
 
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to
  deal in the Software without restriction, including without limitation the
  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  sell copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
 
  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.
 
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  IN THE SOFTWARE.

The files queryparser/lemon.c and queryparser/queryparser.lt (which are
a parser generator and its output template file) bear the following
statements respectively:

  The authors of this program disclaim copyright.

  The author disclaims copyright to this source code.

The file m4/ax_cxx_compile_stdcxx_11.m4 is licensed as follows:

   Copyright (c) 2008 Benjamin Kosnik 
   Copyright (c) 2012 Zack Weinberg 
   Copyright (c) 2013 Roy Stogner 
   Copyright (c) 2014, 2015 Google Inc.; contributed by Alexey Sokolov 

   Copying and distribution of this file, with or without modification, are
   permitted in any medium without royalty provided the copyright notice
   and this notice are preserved. This file is offered as-is, without any
   warranty.

The Debian packaging is licensed under the MIT/X licence:

  Copyright (C) 2004,2005,2006 Lemur Consulting Ltd
  Copyright (C) 2006-2017 Olly Betts

  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to
  deal in the Software without restriction, including without limitation the
  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  sell copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
 
  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.
 
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  IN THE SOFTWARE.