This is the Debian package of the Xapian search engine library.  This
package was originally created and maintained by Richard Boulton
<richard@tartarus.org>.  It is currently maintained by Olly Betts
<olly@survex.com>.

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

Upstream Authors:

        Olly Betts <olly@survex.com>
        Hein Ragas <hragas@users.sourceforge.net>
        Sam Liddicott <samjam@users.sourceforge.net>
	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) 2002-2026 Olly Betts
  Copyright (C) 2001,2002 Ananova Ltd
  Copyright (C) 1999,2000,2001 BrightStation PLC
  Copyright (C) 2001 Hein Ragas
  Copyright (C) 2003,2006,2007,2009,2010,2011 Richard Boulton
  Copyright (C) 2006,2007,2008,2009,2010 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) 2016,2017 Vivek Pal
  Copyright (C) 2016,2017 Richhiey Thomas
  Copyright (C) 2018 Uppinder Chugh
  Copyright (C) 2018 Guruprasad Hegde
  Copyright (C) 2019 Vaibhav Kansagara
  Copyright (C) 2020 Dipanshu Garg

  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.

  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) 2006-2026, 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) 2006,2007,2008,2009,2012,2015,2025 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.m4 is licensed as follows:

   Copyright (c) 2008 Benjamin Kosnik <bkoz@redhat.com>
   Copyright (c) 2012 Zack Weinberg <zackw@panix.com>
   Copyright (c) 2013 Roy Stogner <roystgnr@ices.utexas.edu>
   Copyright (c) 2014, 2015 Google Inc.; contributed by Alexey Sokolov <sokolov@google.com>
   Copyright (c) 2015 Paul Norman <penorman@mac.com>
   Copyright (c) 2015 Moritz Klammler <moritz@klammler.eu>
   Copyright (c) 2016, 2018 Krzesimir Nowak <qdlacz@gmail.com>
   Copyright (c) 2019 Enji Cooper <yaneurabeya@gmail.com>
   Copyright (c) 2020 Jason Merrill <jason@redhat.com>
   Copyright (c) 2021, 2024 Jörn Heusipp <osmanx@problemloesungsmaschine.de>
   Copyright (c) 2015, 2022, 2023, 2024 Olly Betts

   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 file unicode/UnicodeData.txt is licensed as follows:

    UNICODE LICENSE V3

    COPYRIGHT AND PERMISSION NOTICE

    Copyright © 1991-2025 Unicode, Inc.

    NOTICE TO USER: Carefully read the following legal agreement. BY
    DOWNLOADING, INSTALLING, COPYING OR OTHERWISE USING DATA FILES, AND/OR
    SOFTWARE, YOU UNEQUIVOCALLY ACCEPT, AND AGREE TO BE BOUND BY, ALL OF THE
    TERMS AND CONDITIONS OF THIS AGREEMENT. IF YOU DO NOT AGREE, DO NOT
    DOWNLOAD, INSTALL, COPY, DISTRIBUTE OR USE THE DATA FILES OR SOFTWARE.

    Permission is hereby granted, free of charge, to any person obtaining a
    copy of data files and any associated documentation (the "Data Files") or
    software and any associated documentation (the "Software") to deal in the
    Data Files or Software without restriction, including without limitation
    the rights to use, copy, modify, merge, publish, distribute, and/or sell
    copies of the Data Files or Software, and to permit persons to whom the
    Data Files or Software are furnished to do so, provided that either (a)
    this copyright and permission notice appear with all copies of the Data
    Files or Software, or (b) this copyright and permission notice appear in
    associated Documentation.

    THE DATA FILES AND SOFTWARE ARE 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 OF
    THIRD PARTY RIGHTS.

    IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS NOTICE
    BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES,
    OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
    WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
    ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THE DATA
    FILES OR SOFTWARE.

    Except as contained in this notice, the name of a copyright holder shall
    not be used in advertising or otherwise to promote the sale, use or other
    dealings in these Data Files or Software without prior written
    authorization of the copyright holder.

The file unicode/uniParse.tcl is licensed as follows:

    Copyright (c) 1998-1999 by Scriptics Corporation.
    All rights reserved.

    The authors hereby grant permission to use, copy, modify, distribute,
    and license this software and its documentation for any purpose, provided
    that existing copyright notices are retained in all copies and that this
    notice is included verbatim in any distributions. No written agreement,
    license, or royalty fee is required for any of the authorized uses.
    Modifications to this software may be copyrighted by their authors
    and need not follow the licensing terms described here, provided that
    the new terms are clearly indicated on the first page of each file where
    they apply.

    IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
    FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
    ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
    DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
    POSSIBILITY OF SUCH DAMAGE.

    THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.  THIS SOFTWARE
    IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
    NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
    MODIFICATIONS.

    GOVERNMENT USE: If you are acquiring this software on behalf of the
    U.S. government, the Government shall have only "Restricted Rights"
    in the software and related documentation as defined in the Federal
    Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2).  If you
    are acquiring the software on behalf of the Department of Defense, the
    software shall be classified as "Commercial Computer Software" and the
    Government shall have only "Restricted Rights" as defined in Clause
    252.227-7013 (c) (1) of DFARs.  Notwithstanding the foregoing, the
    authors grant the U.S. Government and others acting in its behalf
    permission to use and distribute the software in accordance with the
    terms specified in this license.

The file common/getopt.cc is licensed under the LGPL v2 or later:

  Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
        Free Software Foundation, Inc.
  Copyright (C) 2004,2009,2010,2015 Olly Betts (reworked to allow compilation as C++)

  See /usr/share/common-licenses/LGPL-2 for the full licence text.

The file include/xapian/intrusive_ptr.h is licensed under the Boost Software
License, Version 1.0:

  Copyright (c) 2001, 2002 Peter Dimov
  Copyright (c) 2011,2013,2014,2015,2017,2022 Olly Betts

  Distributed under the Boost Software License, Version 1.0.

  Boost Software License - Version 1.0 - August 17th, 2003

  Permission is hereby granted, free of charge, to any person or organization
  obtaining a copy of the software and accompanying documentation covered by
  this license (the "Software") to use, reproduce, display, distribute,
  execute, and transmit the Software, and to prepare derivative works of the
  Software, and to permit third-parties to whom the Software is furnished to
  do so, all subject to the following:

  The copyright notices in the Software and this entire statement, including
  the above license grant, this restriction and the following disclaimer,
  must be included in all copies of the Software, in whole or in part, and
  all derivative works of the Software, unless such copies or derivative
  works are solely in the form of machine-executable object code generated by
  a source language processor.

  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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
  SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
  FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  DEALINGS IN THE SOFTWARE.

The file tests/perftest/get_machine_info.in is licensed under the Mozilla
Public License Version 1.1:

  The contents of this file are subject to the Mozilla Public
  License Version 1.1 (the "License"); you may not use this file
  except in compliance with the License. You may obtain a copy of
  the License at http://www.mozilla.org/NPL/

  Software distributed under the License is distributed on an "AS
  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  implied. See the License for the specific language governing
  rights and limitations under the License.

  The Original Code is the Tinderbox build tool.

  The Initial Developer of the Original Code is Netscape Communications
  Corporation. Portions created by Netscape are
  Copyright (C) 1998 Netscape Communications Corporation. All
  Rights Reserved.

  complete rewrite by Ken Estes, Mail.com (kestes@staff.mail.com).

  See /usr/share/common-licenses/MPL-1.1 for the full licence text.

The file common/heap.h is dual licensed under the MIT and the University of
Illinois Open Source Licenses:

   University of Illinois/NCSA
   Open Source License

   Copyright (c) 2009-2016 by the contributors listed in CREDITS.TXT

   All rights reserved.

   Developed by:

       LLVM Team

       University of Illinois at Urbana-Champaign

       http://llvm.org

   Permission is hereby granted, free of charge, to any person obtaining a copy of
   this software and associated documentation files (the "Software"), to deal with
   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:

       * Redistributions of source code must retain the above copyright notice,
         this list of conditions and the following disclaimers.

       * Redistributions in binary form must reproduce the above copyright notice,
         this list of conditions and the following disclaimers in the
         documentation and/or other materials provided with the distribution.

       * Neither the names of the LLVM Team, University of Illinois at
         Urbana-Champaign, nor the names of its contributors may be used to
         endorse or promote products derived from this Software without specific
         prior written permission.

   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
   CONTRIBUTORS 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 WITH THE
   SOFTWARE.

   ==============================================================================

   Copyright (c) 2009-2014 by the contributors listed in CREDITS.TXT

   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 common/msvc_dirent.cc and common/msvc_dirent.h are licensed as:

    Copyright Kevlin Henney, 1997, 2003. All rights reserved.

    Permission to use, copy, modify, and distribute this software and its
    documentation for any purpose is hereby granted without fee, provided
    that this copyright and permissions notice appear in all copies and
    derivatives.

    This software is supplied "as is" without express or implied warranty.

The files docs/apidoc/html/dynsections.js, docs/apidoc/html/menu.js and
docs/apidoc/html/menudata.js are licensed as:

  The MIT License (MIT)

  Copyright (C) 1997-2020 by Dimitri van Heesch

  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 Debian packaging is licensed under the MIT/X licence:

  Copyright (C) 2004,2005,2006 Lemur Consulting Ltd
  Copyright (C) 2006-2026 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.
