zulip/docs/THIRDPARTY

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: Zulip
Upstream-Contact: Tim Abbott <tabbott@zulip.com>
Source: https://zulip.com/
Comment:
 Unless otherwise noted, the Zulip software is distributed under the Apache
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Files: *
Copyright: 2011-2015 Dropbox, Inc., 2015-2019 Kandra Labs, Inc., and contributors
License: Apache-2.0

Files: confirmation/*
Copyright: 2008, Jarek Zgoda <jarek.zgoda@gmail.com>
License: BSD-3-Clause

Files: docs/code-of-conduct.md
Copyright: 2017, Kandra Labs Inc.
License: CC-BY-SA-4.0

Files: puppet/zulip/lib/puppet/parser/functions/join.rb puppet/zulip/lib/puppet/parser/functions/range.rb
Copyright: 2011, Krzysztof Wilczynski
 2011, Puppet Labs Inc
License: Apache-2.0

File: puppet/zulip_ops/files/mediawiki/Auth_remoteuser.php
Copyright: 2006 Otheus Shelling
 2007 Rusty Burchfield
 2009 James Kinsman
 2010 Daniel Thomas
 2010 Ian Ward Comfort
License: GPL-2.0
Comment: Not linked.

Files: puppet/zulip/files/nagios_plugins/zulip_base/check_debian_packages
Copyright: 2005 Francesc Guasch
License: GPL-2.0
Comment: Not linked.

Files: puppet/zulip/files/nagios_plugins/zulip_postgres_common/check_postgres.pl
Copyright: 2007-2015 Greg Sabino Mullane
License: BSD-2-Clause

Files: puppet/zulip/files/nagios_plugins/zulip_nagios_server/check_website_response.sh
Copyright: 2011 Chris Freeman
License: GPL-2.0

Files: puppet/zulip_ops/files/zulip-ec2-configure-interfaces
Copyright: 2013-2017, Dropbox, Inc., Kandra Labs, Inc., and contributors
License: Expat

Files: scripts/setup/generate-self-signed-cert
Copyright: 2003-2006 Thom May
           2006 Fabio M. Di Nitto
           2006 Adam Conrad
           2006-2008 Tollef Fog Heen
           2008-2015 Stefan Fritsch
           2018-2019 Kandra Labs, Inc., and contributors
License: BSD-3-Clause

Files: static/audio/notification_sounds/ding.*
Copyright: 2017 InspectorJ
License: CC-BY-3.0
Comment: From https://freesound.org/s/411089/.

Files: static/audio/notification_sounds/zulip.*
Copyright: 2011 Vidsyn
License: CC0-1.0

Files: static/third/bootstrap/css/bootstrap-btn.css
Copyright: 2011-2014 Twitter, Inc
License: Expat

Files: static/third/bootstrap/css/bootstrap-responsive.css static/third/bootstrap/css/bootstrap.css
Copyright: 2012 Twitter, Inc
License: Apache-2.0
Comment: The software has been modified.

Files: static/third/bootstrap/js/bootstrap.js
Copyright: 2012 Twitter, Inc
License: Apache-2.0
Comment: The software has been modified.

Files: static/third/bootstrap-typeahead/*
Copyright: 2012 Twitter, Inc
License: Apache-2.0
Comment: Bootstrap typeahead.  The software has been modified.

Files: static/third/bootstrap-notify/*
Copyright: 2013 Nijiko Yonskai
 2012 Goodybag, Inc.
 2012 Twitter, Inc
License: Apache-2.0
Comment: The software has been modified.

Files: static/generated/emoji/images/emoji/unicode/*
Copyright: Google, Inc.
License: Apache-2.0

Files: static/third/jquery-idle/jquery.idle.js
Copyright: 2011-2013 Henrique Boaventura
License: Expat
Comment: The software has been modified.

Files: static/third/marked/*
Copyright: 2011-2013, Christopher Jeffrey
License: Expat

Files: static/assets/icons/ellipsis-v-solid.svg
Copyright: 2017 Fonticons, Inc.
License: CC-BY-4.0
Comment: This icon is picked from Version 5.13.0 of Fontawesome

Files: zerver/lib/bugdown/fenced_code.py
Copyright: 2006-2008 Waylan Limberg
License: BSD-3-Clause
Comment: https://pypi.python.org/pypi/Markdown

Files: zerver/lib/ccache.py
Copyright: 2013 David Benjamin and Alan Huang
License: Expat

Files: zerver/decorator.py zerver/management/commands/runtornado.py scripts/setup/generate_secrets.py
Copyright: Django Software Foundation and individual contributors
License: BSD-3-Clause

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         under this Public License, nor are publicity, privacy, and/or
         other similar personality rights; however, to the extent possible,
         the Licensor waives and/or agrees not to assert any such rights
         held by the Licensor to the limited extent necessary to allow
         You to exercise the Licensed Rights, but not otherwise.
 .
      2. Patent and trademark rights are not licensed under this Public License.
 .
      3. To the extent possible, the Licensor waives any right to collect
         royalties from You for the exercise of the Licensed Rights, whether
         directly or through a collecting society under any voluntary or
         waivable statutory or compulsory licensing scheme. In all other
         cases the Licensor expressly reserves any right to collect such royalties.
 .
 Section 3 -- License Conditions.
 .
 .
 Your exercise of the Licensed Rights is expressly made subject to the
 following conditions.
 .
   a. Attribution.
 .
      1. If You Share the Licensed Material (including in modified form),
         You must:
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         A. retain the following if it is supplied by the Licensor with
            the Licensed Material:
 .
            i. identification of the creator(s) of the Licensed Material
               and any others designated to receive attribution, in any
               reasonable manner requested by the Licensor (including by
               pseudonym if designated);
 .
            ii. a copyright notice;
 .
            iii. a notice that refers to this Public License;
 .
            iv. a notice that refers to the disclaimer of warranties;
 .
            v. a URI or hyperlink to the Licensed Material to the extent
               reasonably practicable;
 .
         B. indicate if You modified the Licensed Material and retain an
            indication of any previous modifications; and
 .
         C. indicate the Licensed Material is licensed under this Public License,
            and include the text of, or the URI or hyperlink to, this
            Public License.
 .
      2. You may satisfy the conditions in Section 3(a)(1) in any reasonable
         manner based on the medium, means, and context in which You Share
         the Licensed Material. For example, it may be reasonable to satisfy
         the conditions by providing a URI or hyperlink to a resource that
         includes the required information.
 .
      3. If requested by the Licensor, You must remove any of the information
         required by Section 3(a)(1)(A) to the extent reasonably practicable.
 .
      4. If You Share Adapted Material You produce, the Adapter's License
         You apply must not prevent recipients of the Adapted Material from
         complying with this Public License.
 .
 Section 4 -- Sui Generis Database Rights.
 .
 .
 Where the Licensed Rights include Sui Generis Database Rights that apply
 to Your use of the Licensed Material:
 .
   a. for the avoidance of doubt, Section 2(a)(1) grants You the right to
      extract, reuse, reproduce, and Share all or a substantial portion of
      the contents of the database;
 .
   b. if You include all or a substantial portion of the database contents
      in a database in which You have Sui Generis Database Rights, then the
      database in which You have Sui Generis Database Rights (but not its
      individual contents) is Adapted Material; and
 .
   c. You must comply with the conditions in Section 3(a) if You Share
      all or a substantial portion of the contents of the database.
 .
 For the avoidance of doubt, this Section 4 supplements and does not replace
 Your obligations under this Public License where the Licensed Rights include
 other Copyright and Similar Rights.
 .
 Section 5 -- Disclaimer of Warranties and Limitation of Liability.
 .
 .
   a. Unless otherwise separately undertaken by the Licensor, to the extent
      possible, the Licensor offers the Licensed Material as-is and as-available,
      and makes no representations or warranties of any kind concerning the
      Licensed Material, whether express, implied, statutory, or other. This
      includes, without limitation, warranties of title, merchantability, fitness
      for a particular purpose, non-infringement, absence of latent or other
      defects, accuracy, or the presence or absence of errors, whether or not
      known or discoverable. Where disclaimers of warranties are not allowed in
      full or in part, this disclaimer may not apply to You.
 .
   b. To the extent possible, in no event will the Licensor be liable to You on
      any legal theory (including, without limitation, negligence) or otherwise
      for any direct, special, indirect, incidental, consequential, punitive,
      exemplary, or other losses, costs, expenses, or damages arising out of this
      Public License or use of the Licensed Material, even if the Licensor has been
      advised of the possibility of such losses, costs, expenses, or damages. Where
      a limitation of liability is not allowed in full or in part, this limitation
      may not apply to You.
 .
   c. The disclaimer of warranties and limitation of liability provided above shall
      be interpreted in a manner that, to the extent possible, most closely
      approximates an absolute disclaimer and waiver of all liability.
 .
 Section 6 – Term and Termination.
 .
 .
   a. This Public License applies for the term of the Copyright and Similar Rights
      licensed here. However, if You fail to comply with this Public License,
      then Your rights under this Public License terminate automatically.
 .
   b. Where Your right to use the Licensed Material has terminated under
      Section 6(a), it reinstates:
 .
      1. automatically as of the date the violation is cured, provided it is
         cured within 30 days of Your discovery of the violation; or
 .
      2. upon express reinstatement by the Licensor.
 .
      For the avoidance of doubt, this Section 6(b) does not affect any right
      the Licensor may have to seek remedies for Your violations of this
      Public License.
 .
   c. For the avoidance of doubt, the Licensor may also offer the Licensed
      Material under separate terms or conditions or stop distributing the
      Licensed Material at any time; however, doing so will not terminate
      this Public License.
 .
   d. Sections 1, 5, 6, 7, and 8 survive termination of this Public License.
 .
 Section 7 – Other Terms and Conditions.
 .
 .
   a. The Licensor shall not be bound by any additional or different terms
      or conditions communicated by You unless expressly agreed.
 .
   b. Any arrangements, understandings, or agreements regarding the Licensed
      Material not stated herein are separate from and independent of the terms
      and conditions of this Public License.
 .
 Section 8 – Interpretation.
 .
 .
   a. For the avoidance of doubt, this Public License does not, and shall
      not be interpreted to, reduce, limit, restrict, or impose conditions
      on any use of the Licensed Material that could lawfully be made without
      permission under this Public License.
 .
   b. To the extent possible, if any provision of this Public License is
      deemed unenforceable, it shall be automatically reformed to the
      minimum extent necessary to make it enforceable. If the provision cannot
      be reformed, it shall be severed from this Public License without
      affecting the enforceability of the remaining terms and conditions.
 .
   c. No term or condition of this Public License will be waived and no
      failure to comply consented to unless expressly agreed to by the Licensor.
 .
   d. Nothing in this Public License constitutes or may be interpreted as a
      limitation upon, or waiver of, any privileges and immunities that apply to
      the Licensor or You, including from the legal processes of any jurisdiction
      or authority.

License: CC-BY-SA-4.0
 Creative Commons Attribution-ShareAlike 4.0 International Public
 License
 .
 By exercising the Licensed Rights (defined below), You accept and agree
 to be bound by the terms and conditions of this Creative Commons
 Attribution-ShareAlike 4.0 International Public License ("Public
 License"). To the extent this Public License may be interpreted as a
 contract, You are granted the Licensed Rights in consideration of Your
 acceptance of these terms and conditions, and the Licensor grants You
 such rights in consideration of benefits the Licensor receives from
 making the Licensed Material available under these terms and
 conditions.
 .
 .
 Section 1 -- Definitions.
 .
   a. Adapted Material means material subject to Copyright and Similar
      Rights that is derived from or based upon the Licensed Material
      and in which the Licensed Material is translated, altered,
      arranged, transformed, or otherwise modified in a manner requiring
      permission under the Copyright and Similar Rights held by the
      Licensor. For purposes of this Public License, where the Licensed
      Material is a musical work, performance, or sound recording,
      Adapted Material is always produced where the Licensed Material is
      synched in timed relation with a moving image.
 .
   b. Adapter's License means the license You apply to Your Copyright
      and Similar Rights in Your contributions to Adapted Material in
      accordance with the terms and conditions of this Public License.
 .
   c. BY-SA Compatible License means a license listed at
      creativecommons.org/compatiblelicenses, approved by Creative
      Commons as essentially the equivalent of this Public License.
 .
   d. Copyright and Similar Rights means copyright and/or similar rights
      closely related to copyright including, without limitation,
      performance, broadcast, sound recording, and Sui Generis Database
      Rights, without regard to how the rights are labeled or
      categorized. For purposes of this Public License, the rights
      specified in Section 2(b)(1)-(2) are not Copyright and Similar
      Rights.
 .
   e. Effective Technological Measures means those measures that, in the
      absence of proper authority, may not be circumvented under laws
      fulfilling obligations under Article 11 of the WIPO Copyright
      Treaty adopted on December 20, 1996, and/or similar international
      agreements.
 .
   f. Exceptions and Limitations means fair use, fair dealing, and/or
      any other exception or limitation to Copyright and Similar Rights
      that applies to Your use of the Licensed Material.
 .
   g. License Elements means the license attributes listed in the name
      of a Creative Commons Public License. The License Elements of this
      Public License are Attribution and ShareAlike.
 .
   h. Licensed Material means the artistic or literary work, database,
      or other material to which the Licensor applied this Public
      License.
 .
   i. Licensed Rights means the rights granted to You subject to the
      terms and conditions of this Public License, which are limited to
      all Copyright and Similar Rights that apply to Your use of the
      Licensed Material and that the Licensor has authority to license.
 .
   j. Licensor means the individual(s) or entity(ies) granting rights
      under this Public License.
 .
   k. Share means to provide material to the public by any means or
      process that requires permission under the Licensed Rights, such
      as reproduction, public display, public performance, distribution,
      dissemination, communication, or importation, and to make material
      available to the public including in ways that members of the
      public may access the material from a place and at a time
      individually chosen by them.
 .
   l. Sui Generis Database Rights means rights other than copyright
      resulting from Directive 96/9/EC of the European Parliament and of
      the Council of 11 March 1996 on the legal protection of databases,
      as amended and/or succeeded, as well as other essentially
      equivalent rights anywhere in the world.
 .
   m. You means the individual or entity exercising the Licensed Rights
      under this Public License. Your has a corresponding meaning.
 .
 .
 Section 2 -- Scope.
 .
   a. License grant.
 .
        1. Subject to the terms and conditions of this Public License,
           the Licensor hereby grants You a worldwide, royalty-free,
           non-sublicensable, non-exclusive, irrevocable license to
           exercise the Licensed Rights in the Licensed Material to:
 .
             a. reproduce and Share the Licensed Material, in whole or
                in part; and
 .
             b. produce, reproduce, and Share Adapted Material.
 .
        2. Exceptions and Limitations. For the avoidance of doubt, where
           Exceptions and Limitations apply to Your use, this Public
           License does not apply, and You do not need to comply with
           its terms and conditions.
 .
        3. Term. The term of this Public License is specified in Section
           6(a).
 .
        4. Media and formats; technical modifications allowed. The
           Licensor authorizes You to exercise the Licensed Rights in
           all media and formats whether now known or hereafter created,
           and to make technical modifications necessary to do so. The
           Licensor waives and/or agrees not to assert any right or
           authority to forbid You from making technical modifications
           necessary to exercise the Licensed Rights, including
           technical modifications necessary to circumvent Effective
           Technological Measures. For purposes of this Public License,
           simply making modifications authorized by this Section 2(a)
           (4) never produces Adapted Material.
 .
        5. Downstream recipients.
 .
             a. Offer from the Licensor -- Licensed Material. Every
                recipient of the Licensed Material automatically
                receives an offer from the Licensor to exercise the
                Licensed Rights under the terms and conditions of this
                Public License.
 .
             b. Additional offer from the Licensor -- Adapted Material.
                Every recipient of Adapted Material from You
                automatically receives an offer from the Licensor to
                exercise the Licensed Rights in the Adapted Material
                under the conditions of the Adapter's License You apply.
 .
             c. No downstream restrictions. You may not offer or impose
                any additional or different terms or conditions on, or
                apply any Effective Technological Measures to, the
                Licensed Material if doing so restricts exercise of the
                Licensed Rights by any recipient of the Licensed
                Material.
 .
        6. No endorsement. Nothing in this Public License constitutes or
           may be construed as permission to assert or imply that You
           are, or that Your use of the Licensed Material is, connected
           with, or sponsored, endorsed, or granted official status by,
           the Licensor or others designated to receive attribution as
           provided in Section 3(a)(1)(A)(i).
 .
   b. Other rights.
 .
        1. Moral rights, such as the right of integrity, are not
           licensed under this Public License, nor are publicity,
           privacy, and/or other similar personality rights; however, to
           the extent possible, the Licensor waives and/or agrees not to
           assert any such rights held by the Licensor to the limited
           extent necessary to allow You to exercise the Licensed
           Rights, but not otherwise.
 .
        2. Patent and trademark rights are not licensed under this
           Public License.
 .
        3. To the extent possible, the Licensor waives any right to
           collect royalties from You for the exercise of the Licensed
           Rights, whether directly or through a collecting society
           under any voluntary or waivable statutory or compulsory
           licensing scheme. In all other cases the Licensor expressly
           reserves any right to collect such royalties.
 .
 .
 Section 3 -- License Conditions.
 .
 Your exercise of the Licensed Rights is expressly made subject to the
 following conditions.
 .
   a. Attribution.
 .
        1. If You Share the Licensed Material (including in modified
           form), You must:
 .
             a. retain the following if it is supplied by the Licensor
                with the Licensed Material:
 .
                  i. identification of the creator(s) of the Licensed
                     Material and any others designated to receive
                     attribution, in any reasonable manner requested by
                     the Licensor (including by pseudonym if
                     designated);
 .
                 ii. a copyright notice;
 .
                iii. a notice that refers to this Public License;
 .
                 iv. a notice that refers to the disclaimer of
                     warranties;
 .
                  v. a URI or hyperlink to the Licensed Material to the
                     extent reasonably practicable;
 .
             b. indicate if You modified the Licensed Material and
                retain an indication of any previous modifications; and
 .
             c. indicate the Licensed Material is licensed under this
                Public License, and include the text of, or the URI or
                hyperlink to, this Public License.
 .
        2. You may satisfy the conditions in Section 3(a)(1) in any
           reasonable manner based on the medium, means, and context in
           which You Share the Licensed Material. For example, it may be
           reasonable to satisfy the conditions by providing a URI or
           hyperlink to a resource that includes the required
           information.
 .
        3. If requested by the Licensor, You must remove any of the
           information required by Section 3(a)(1)(A) to the extent
           reasonably practicable.
 .
   b. ShareAlike.
 .
      In addition to the conditions in Section 3(a), if You Share
      Adapted Material You produce, the following conditions also apply.
 .
        1. The Adapter's License You apply must be a Creative Commons
           license with the same License Elements, this version or
           later, or a BY-SA Compatible License.
 .
        2. You must include the text of, or the URI or hyperlink to, the
           Adapter's License You apply. You may satisfy this condition
           in any reasonable manner based on the medium, means, and
           context in which You Share Adapted Material.
 .
        3. You may not offer or impose any additional or different terms
           or conditions on, or apply any Effective Technological
           Measures to, Adapted Material that restrict exercise of the
           rights granted under the Adapter's License You apply.
 .
 .
 Section 4 -- Sui Generis Database Rights.
 .
 Where the Licensed Rights include Sui Generis Database Rights that
 apply to Your use of the Licensed Material:
 .
   a. for the avoidance of doubt, Section 2(a)(1) grants You the right
      to extract, reuse, reproduce, and Share all or a substantial
      portion of the contents of the database;
 .
   b. if You include all or a substantial portion of the database
      contents in a database in which You have Sui Generis Database
      Rights, then the database in which You have Sui Generis Database
      Rights (but not its individual contents) is Adapted Material,
 .
      including for purposes of Section 3(b); and
   c. You must comply with the conditions in Section 3(a) if You Share
      all or a substantial portion of the contents of the database.
 .
 For the avoidance of doubt, this Section 4 supplements and does not
 replace Your obligations under this Public License where the Licensed
 Rights include other Copyright and Similar Rights.
 .
 .
 Section 5 -- Disclaimer of Warranties and Limitation of Liability.
 .
   a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
      EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
      AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF
      ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
      IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
      WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
      PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS,
      ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
      KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
      ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
 .
   b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
      TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
      NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
      INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
      COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
      USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
      ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
      DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
      IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
 .
   c. The disclaimer of warranties and limitation of liability provided
      above shall be interpreted in a manner that, to the extent
      possible, most closely approximates an absolute disclaimer and
      waiver of all liability.
 .
 .
 Section 6 -- Term and Termination.
 .
   a. This Public License applies for the term of the Copyright and
      Similar Rights licensed here. However, if You fail to comply with
      this Public License, then Your rights under this Public License
      terminate automatically.
 .
   b. Where Your right to use the Licensed Material has terminated under
      Section 6(a), it reinstates:
 .
        1. automatically as of the date the violation is cured, provided
           it is cured within 30 days of Your discovery of the
           violation; or
 .
        2. upon express reinstatement by the Licensor.
 .
      For the avoidance of doubt, this Section 6(b) does not affect any
      right the Licensor may have to seek remedies for Your violations
      of this Public License.
 .
   c. For the avoidance of doubt, the Licensor may also offer the
      Licensed Material under separate terms or conditions or stop
      distributing the Licensed Material at any time; however, doing so
      will not terminate this Public License.
 .
   d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
      License.
 .
 .
 Section 7 -- Other Terms and Conditions.
 .
   a. The Licensor shall not be bound by any additional or different
      terms or conditions communicated by You unless expressly agreed.
 .
   b. Any arrangements, understandings, or agreements regarding the
      Licensed Material not stated herein are separate from and
      independent of the terms and conditions of this Public License.
 .
 .
 Section 8 -- Interpretation.
 .
   a. For the avoidance of doubt, this Public License does not, and
      shall not be interpreted to, reduce, limit, restrict, or impose
      conditions on any use of the Licensed Material that could lawfully
      be made without permission under this Public License.
 .
   b. To the extent possible, if any provision of this Public License is
      deemed unenforceable, it shall be automatically reformed to the
      minimum extent necessary to make it enforceable. If the provision
      cannot be reformed, it shall be severed from this Public License
      without affecting the enforceability of the remaining terms and
      conditions.
 .
   c. No term or condition of this Public License will be waived and no
      failure to comply consented to unless expressly agreed to by the
      Licensor.
 .
   d. Nothing in this Public License constitutes or may be interpreted
      as a limitation upon, or waiver of, any privileges and immunities
      that apply to the Licensor or You, including from the legal
      processes of any jurisdiction or authority.

License: CC0-1.0
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License: Expat
 Permission is hereby granted, free of charge, to any person obtaining a copy
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License: GPL-2.0
 This program is free software; you can redistribute it and/or modify
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 the Free Software Foundation; version 2, dated June, 1991.
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 This program is distributed in the hope that it will be useful,
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 On Debian systems, the complete text of the GNU General Public License
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