Clean LICENSE.txt to verbatim PSF-2.0; move CCP attribution to NOTICE.md

LICENSE.txt

@@ -1,47 +1,18 @@
+PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
+--------------------------------------------
 
-Copyright (c) 2001 Python Software Foundation, All Rights Reserved
-Copyright (c) 2026 CCP Games
+1. This LICENSE AGREEMENT is between the Python Software Foundation ("PSF"), and the Individual or Organization ("Licensee") accessing and otherwise using this software ("Python") in source or binary form and its associated documentation.
 
-PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
+2. Subject to the terms and conditions of this License Agreement, PSF hereby grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce, analyze, test, perform and/or display publicly, prepare derivative works, distribute, and otherwise use Python alone or in any derivative version, provided, however, that PSF's License Agreement and PSF's notice of copyright, i.e., "Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006 Python Software Foundation All Rights Reserved" are retained in Python alone or in any derivative version prepared by Licensee.
+
+3. In the event Licensee prepares a derivative work that is based on or incorporates Python or any part thereof, and wants to make the derivative work available to others as provided herein, then Licensee hereby agrees to include in any such work a brief summary of the changes made to Python.
+
+4. PSF is making Python available to Licensee on an "AS IS" basis.  PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED.  BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT INFRINGE ANY THIRD PARTY RIGHTS.
+
+5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON, OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
+
+6. This License Agreement will automatically terminate upon a material breach of its terms and conditions.
+
+7. Nothing in this License Agreement shall be deemed to create any relationship of agency, partnership, or joint venture between PSF and Licensee.  This License Agreement does not grant permission to use PSF trademarks or trade name in a trademark sense to endorse or promote products or services of Licensee, or any third party.
 
-1. This LICENSE AGREEMENT is between CCP Games("CCP"), and the Individual or Organization ("Licensee") accessing and
-otherwise using this software ("CARBON.IO") in source or binary form and
-its associated documentation.
-
-2. Subject to the terms and conditions of this License Agreement, CCP hereby
-grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce,
-analyze, test, perform and/or display publicly, prepare derivative works,
-distribute, and otherwise use CARBON.IO alone or in any derivative version,
-provided, however, that this License Agreement and notice of copyright
-are retained in CARBON.IO alone or in any derivative version prepared by Licensee.
-
-3. In the event Licensee prepares a derivative work that is based on
-or incorporates CARBON.IO or any part thereof, and wants to make
-the derivative work available to others as provided herein, then
-Licensee hereby agrees to include in any such work a brief summary of
-the changes made to CARBON.IO.
-
-4. CCP is making CARBON.IO available to Licensee on an "AS IS"
-basis.  CCP MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
-IMPLIED.  BY WAY OF EXAMPLE, BUT NOT LIMITATION, CCP MAKES NO AND
-DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
-FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF CARBON.IO WILL NOT
-INFRINGE ANY THIRD PARTY RIGHTS.
-
-5. CCP SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF CARBON.IO
-FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
-A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING CARBON.IO,
-OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
-
-6. This License Agreement will automatically terminate upon a material
-breach of its terms and conditions.
-
-7. Nothing in this License Agreement shall be deemed to create any
-relationship of agency, partnership, or joint venture between CCP and
-Licensee.  This License Agreement does not grant permission to use CCP's
-trademarks or trade name in a trademark sense to endorse or promote
-products or services of Licensee, or any third party.
-
-8. By copying, installing or otherwise using CARBON.IO, Licensee
-agrees to be bound by the terms and conditions of this License
-Agreement.
+8. By copying, installing or otherwise using Python, Licensee agrees to be bound by the terms and conditions of this License Agreement.

NOTICE.md

@@ -0,0 +1,22 @@
+# CARBON.IO
+
+Copyright (c) 2001 Python Software Foundation; All Rights Reserved
+Copyright (c) 2026 CCP Games
+
+CARBON.IO is a derivative work of [Python](https://www.python.org/) —
+specifically modified C source for the socket and ssl modules together
+with an unmodified copy of the select module. The original Python
+source is copyright the Python Software Foundation and licensed under
+the Python Software Foundation License Version 2; the full text of that
+license is in [LICENSE.txt](LICENSE.txt) and applies to this software.
+
+For the avoidance of doubt: CCP Games distributes CARBON.IO on the
+terms set out in [LICENSE.txt](LICENSE.txt), with CCP Games standing in
+the position of licensor in place of the Python Software Foundation,
+and with CARBON.IO being the licensed software in place of Python. No
+other modifications to those terms are made.
+
+**Trademark Notice:** CCP Games is a trademark of CCP ehf. Python and
+the Python logo are trademarks of the Python Software Foundation.
+Nothing in [LICENSE.txt](LICENSE.txt) or this NOTICE grants rights to
+either set of trademarks.

README.md

@@ -50,4 +50,4 @@ This software provides low-level networking functionality.
 
 Trademark Notice: CCP Games is a trademark of CCP ehf.
 
-This project is licensed under the [PSF-2.0 LICENSE](LICENSE.txt). Nothing in the [PSF-2.0 License](LICENSE.txt) grants any rights to CCP Games' trademarks or game content.
+This project is licensed under the [PSF-2.0 LICENSE](LICENSE.txt); see [NOTICE.md](NOTICE.md) for the attribution and how CCP Games distributes CARBON.IO under those terms. Nothing in the [PSF-2.0 License](LICENSE.txt) grants any rights to CCP Games' trademarks or game content.