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72 lines
4.1 KiB
72 lines
4.1 KiB
DXX-REBIRTH LICENSE
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====================
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The original Descent source release is copyright by Parallax and subject
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to the Parallax license below. Contributions from the D1X/D2X ("DXX")
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and D1X-Rebirth/D2X-Rebirth ("Rebirth") projects are copyright their
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respective contributors. The DXX and Rebirth contributors grant you
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permission to convey their work, with or without modifications, pursuant
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to the terms of the GNU General Public License, version 3 ("GPLv3"). As
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a special exception, in recognition of the restrictions imposed by the
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original Parallax license, you are excused from GPLv3 requirements that
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conflict with the restrictions of the original Parallax license, but
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only to the extent that such excuse is required to prevent a conflict
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between the terms of the original Parallax license and the GNU General
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Public License v3. This special exception is an "Additional permission"
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as defined by section 7 of the GNU General Public License v3. All
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provisions of the GPLv3 that can be satisfied without violating the
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original Parallax license must be satisfied to the greatest extent
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possible without violating the original Parallax license. Failure to
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satisfy any non-excused GPLv3 provision is expressly prohibited under
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this license, and is therefore void and is handled pursuant to GPLv3
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section 8 "Termination.", exactly as would occur for a non-permitted
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propagation or modification of a GPLv3 covered work that had no special
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exceptions.
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For purposes of this document, "copyright by Parallax" shall include any
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subsequent entities to which some or all of the Parallax copyrights were
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transferred, without regard to how the transfer occurred. In the event
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that you are permitted to convey the material originally copyright by
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Parallax under terms other than the original Parallax license below,
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whether due to a general relicensing by the appropriate copyright
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holders, due to special permission from the appropriate copyright
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holders, or any other circumstance, the contributions from the DXX and
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Rebirth projects remain subject to the GNU General Public License,
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version 3. The special exception described in the preceding paragraph
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excuses only conflicts with the original Parallax license. If a
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subsequent license to the Parallax work conflicts with the GPLv3 in any
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way that the original Parallax license did not conflict, then such new
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conflicts are not excused. As detailed in GPLv3 section 12 "No
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Surrender of Others' Freedom.", if you cannot simultaneously satisfy the
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non-excused terms of the GPLv3 and all other conditions imposed on you,
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then you may not convey the GPLv3 covered work at all.
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Additionally, if you are permitted to convey the material originally
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copyright by Parallax under terms other than the original Parallax
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license, and such new permission allows you to comply with the GPLv3 to
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a greater extent than the original Parallax license allowed, and you
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convey the covered work or a portion thereof, then such conveyance must
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comply with all GPLv3 terms which can be satisfied without violating the
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permission under which you convey the material originally copyright by
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Parallax.
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See GPL-3.txt for further details on the GPLv3.
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For project history and its contributors, please visit the
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DXX-Rebirth GIT repository at https://github.com/dxx-rebirth/dxx-rebirth/
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PARALLAX LICENSE
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================
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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We make no warranties as to the usability or correctness of this code. |