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LICENSE
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LICENSE
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Copyright © 2000-2009 Lucent Technologies. All Rights Reserved.
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Copyright © 2021 Plan 9 Foundation
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Portions Copyright © 2001-2008 Russ Cox
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Portions Copyright © 2008-2009 Google Inc.
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===================================================================
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The bulk of this software is derived from Plan 9 and is thus distributed
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under the Lucent Public License, Version 1.02, reproduced below.
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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There are a few exceptions: libutf, libfmt, and libregexp are distributed
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under simpler BSD-like boilerplates. See the LICENSE files in those
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directories. There are other exceptions, also marked with LICENSE files
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in their directories or marked at the top of the file.
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The bitmap fonts in the font/luc, font/lucm, font/lucsans, and font/pelm
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directory are copyright B&H Inc. and distributed under more restricted
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terms under agreement with B&H. See the NOTICE file in those directories.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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===================================================================
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Lucent Public License Version 1.02
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This software is derived from Plan 9, originally copyright Lucent Technologies
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and distributed under the Lucent Public License, Version 1.02.
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Lucent was bought by Alcatel, which was bought by Nokia.
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On March 23, 2021, Nokia announced the transfer of the Plan 9 copyrights to the
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Plan 9 Foundation, which in turn relicensed Plan 9 under the the MIT license,
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reproduced above.
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THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS PUBLIC
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LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE
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PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
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There are a few exceptions, noted with LICENSE files in their own directories:
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1. DEFINITIONS
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The bzip2 program uses the bzip2 license; see src/cmd/bzip2/LICENSE.
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"Contribution" means:
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The fonts from Bigelow and Holmes were licensed only for Plan 9 itself,
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not for derivatives like Plan 9 from User Space.
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a. in the case of Lucent Technologies Inc. ("LUCENT"), the Original
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Program, and
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b. in the case of each Contributor,
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i. changes to the Program, and
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ii. additions to the Program;
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where such changes and/or additions to the Program were added to the
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Program by such Contributor itself or anyone acting on such
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Contributor's behalf, and the Contributor explicitly consents, in
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accordance with Section 3C, to characterization of the changes and/or
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additions as Contributions.
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"Contributor" means LUCENT and any other entity that has Contributed a
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Contribution to the Program.
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"Distributor" means a Recipient that distributes the Program,
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modifications to the Program, or any part thereof.
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"Licensed Patents" mean patent claims licensable by a Contributor
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which are necessarily infringed by the use or sale of its Contribution
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alone or when combined with the Program.
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"Original Program" means the original version of the software
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accompanying this Agreement as released by LUCENT, including source
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code, object code and documentation, if any.
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"Program" means the Original Program and Contributions or any part
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thereof
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"Recipient" means anyone who receives the Program under this
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Agreement, including all Contributors.
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2. GRANT OF RIGHTS
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a. Subject to the terms of this Agreement, each Contributor hereby
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grants Recipient a non-exclusive, worldwide, royalty-free copyright
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license to reproduce, prepare derivative works of, publicly display,
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publicly perform, distribute and sublicense the Contribution of such
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Contributor, if any, and such derivative works, in source code and
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object code form.
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b. Subject to the terms of this Agreement, each Contributor hereby
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grants Recipient a non-exclusive, worldwide, royalty-free patent
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license under Licensed Patents to make, use, sell, offer to sell,
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import and otherwise transfer the Contribution of such Contributor, if
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any, in source code and object code form. The patent license granted
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by a Contributor shall also apply to the combination of the
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Contribution of that Contributor and the Program if, at the time the
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Contribution is added by the Contributor, such addition of the
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Contribution causes such combination to be covered by the Licensed
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Patents. The patent license granted by a Contributor shall not apply
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to (i) any other combinations which include the Contribution, nor to
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(ii) Contributions of other Contributors. No hardware per se is
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licensed hereunder.
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c. Recipient understands that although each Contributor grants the
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licenses to its Contributions set forth herein, no assurances are
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provided by any Contributor that the Program does not infringe the
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patent or other intellectual property rights of any other entity. Each
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Contributor disclaims any liability to Recipient for claims brought by
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any other entity based on infringement of intellectual property rights
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or otherwise. As a condition to exercising the rights and licenses
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granted hereunder, each Recipient hereby assumes sole responsibility
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to secure any other intellectual property rights needed, if any. For
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example, if a third party patent license is required to allow
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Recipient to distribute the Program, it is Recipient's responsibility
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to acquire that license before distributing the Program.
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d. Each Contributor represents that to its knowledge it has sufficient
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copyright rights in its Contribution, if any, to grant the copyright
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license set forth in this Agreement.
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3. REQUIREMENTS
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A. Distributor may choose to distribute the Program in any form under
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this Agreement or under its own license agreement, provided that:
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a. it complies with the terms and conditions of this Agreement;
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b. if the Program is distributed in source code or other tangible
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form, a copy of this Agreement or Distributor's own license agreement
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is included with each copy of the Program; and
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c. if distributed under Distributor's own license agreement, such
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license agreement:
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i. effectively disclaims on behalf of all Contributors all warranties
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and conditions, express and implied, including warranties or
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conditions of title and non-infringement, and implied warranties or
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conditions of merchantability and fitness for a particular purpose;
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ii. effectively excludes on behalf of all Contributors all liability
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for damages, including direct, indirect, special, incidental and
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consequential damages, such as lost profits; and
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iii. states that any provisions which differ from this Agreement are
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offered by that Contributor alone and not by any other party.
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B. Each Distributor must include the following in a conspicuous
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location in the Program:
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Copyright (C) 2003, Lucent Technologies Inc. and others. All Rights
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Reserved.
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C. In addition, each Contributor must identify itself as the
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originator of its Contribution in a manner that reasonably allows
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subsequent Recipients to identify the originator of the Contribution.
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Also, each Contributor must agree that the additions and/or changes
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are intended to be a Contribution. Once a Contribution is contributed,
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it may not thereafter be revoked.
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4. COMMERCIAL DISTRIBUTION
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Commercial distributors of software may accept certain
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responsibilities with respect to end users, business partners and the
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like. While this license is intended to facilitate the commercial use
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of the Program, the Distributor who includes the Program in a
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commercial product offering should do so in a manner which does not
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create potential liability for Contributors. Therefore, if a
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Distributor includes the Program in a commercial product offering,
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such Distributor ("Commercial Distributor") hereby agrees to defend
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and indemnify every Contributor ("Indemnified Contributor") against
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any losses, damages and costs (collectively"Losses") arising from
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claims, lawsuits and other legal actions brought by a third party
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against the Indemnified Contributor to the extent caused by the acts
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or omissions of such Commercial Distributor in connection with its
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distribution of the Program in a commercial product offering. The
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obligations in this section do not apply to any claims or Losses
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relating to any actual or alleged intellectual property infringement.
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In order to qualify, an Indemnified Contributor must: a) promptly
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notify the Commercial Distributor in writing of such claim, and b)
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allow the Commercial Distributor to control, and cooperate with the
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Commercial Distributor in, the defense and any related settlement
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negotiations. The Indemnified Contributor may participate in any such
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claim at its own expense.
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For example, a Distributor might include the Program in a commercial
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product offering, Product X. That Distributor is then a Commercial
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Distributor. If that Commercial Distributor then makes performance
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claims, or offers warranties related to Product X, those performance
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claims and warranties are such Commercial Distributor's responsibility
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alone. Under this section, the Commercial Distributor would have to
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defend claims against the Contributors related to those performance
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claims and warranties, and if a court requires any Contributor to pay
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any damages as a result, the Commercial Distributor must pay those
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damages.
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5. NO WARRANTY
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EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS
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PROVIDED ON AN"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
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WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY
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OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is solely
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responsible for determining the appropriateness of using and
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distributing the Program and assumes all risks associated with its
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exercise of rights under this Agreement, including but not limited to
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the risks and costs of program errors, compliance with applicable
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laws, damage to or loss of data, programs or equipment, and
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unavailability or interruption of operations.
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6. DISCLAIMER OF LIABILITY
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EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT NOR
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ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING
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WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OR
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DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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7. EXPORT CONTROL
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Recipient agrees that Recipient alone is responsible for compliance
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with the United States export administration regulations (and the
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export control laws and regulation of any other countries).
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8. GENERAL
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If any provision of this Agreement is invalid or unenforceable under
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applicable law, it shall not affect the validity or enforceability of
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the remainder of the terms of this Agreement, and without further
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action by the parties hereto, such provision shall be reformed to the
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minimum extent necessary to make such provision valid and enforceable.
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If Recipient institutes patent litigation against a Contributor with
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respect to a patent applicable to software (including a cross-claim or
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counterclaim in a lawsuit), then any patent licenses granted by that
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Contributor to such Recipient under this Agreement shall terminate as
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of the date such litigation is filed. In addition, if Recipient
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institutes patent litigation against any entity (including a
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cross-claim or counterclaim in a lawsuit) alleging that the Program
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itself (excluding combinations of the Program with other software or
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hardware) infringes such Recipient's patent(s), then such Recipient's
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rights granted under Section 2(b) shall terminate as of the date such
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litigation is filed.
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All Recipient's rights under this Agreement shall terminate if it
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fails to comply with any of the material terms or conditions of this
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Agreement and does not cure such failure in a reasonable period of
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time after becoming aware of such noncompliance. If all Recipient's
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rights under this Agreement terminate, Recipient agrees to cease use
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and distribution of the Program as soon as reasonably practicable.
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However, Recipient's obligations under this Agreement and any licenses
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granted by Recipient relating to the Program shall continue and
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survive.
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LUCENT may publish new versions (including revisions) of this
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Agreement from time to time. Each new version of the Agreement will be
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given a distinguishing version number. The Program (including
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Contributions) may always be distributed subject to the version of the
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Agreement under which it was received. In addition, after a new
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version of the Agreement is published, Contributor may elect to
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distribute the Program (including its Contributions) under the new
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version. No one other than LUCENT has the right to modify this
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Agreement. Except as expressly stated in Sections 2(a) and 2(b) above,
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Recipient receives no rights or licenses to the intellectual property
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of any Contributor under this Agreement, whether expressly, by
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implication, estoppel or otherwise. All rights in the Program not
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expressly granted under this Agreement are reserved.
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This Agreement is governed by the laws of the State of New York and
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the intellectual property laws of the United States of America. No
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party to this Agreement will bring a legal action under this Agreement
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more than one year after the cause of action arose. Each party waives
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its rights to a jury trial in any resulting litigation.
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Plan 9 from User Space arranged a separate agreement with B&H to include
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the bitmap fonts in the font/luc, font/lucm, font/lucsans, and font/pelm
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directories. Other bitmap fonts have other licenses. See font/LICENSE.
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The Lucida Sans Unicode PostScript fonts were licensed from B&H only for Plan 9
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itself, not derivatives like Plan 9 from User Space. In their place, Plan 9 from
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User Space provides Luxi Sans, also by B&H but available under a more liberal
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license, and Deja Vu, a Unicode extension of the Bitstream Vera family of fonts.
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Luxi Sans is similar to Lucida Sans, but it has no Unicode support.
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Deja Vu does have good Unicode support.
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