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added and explained CONTRIBUTING.txt

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ubauer committed Aug 28, 2018
1 parent 0103269 commit 5b13a77ba3c89a304ac9f3411c7121d38554a6c5
Showing with 10 additions and 1 deletion.
  1. +9 −0 CONTRIBUTING.txt
  2. +1 −1 README.md
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You are under no obligation whatsoever to provide any bug fixes, patches, or
upgrades to the features, functionality or performance of the source code
("Enhancements") to anyone; however, if you choose to make your Enhancements
available either publicly, or directly to the author of this software, without
imposing a separate written license agreement for such Enhancements, then you
hereby grant the following license: a non-exclusive, royalty-free perpetual
license to install, use, modify, prepare derivative works, incorporate into
other computer software, distribute, and sublicense such enhancements or
derivative works thereof, in binary and source code form.
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@@ -97,7 +97,7 @@ Prototype implementations are already avaliable; please contact the author if on
### License
Ripser is licensed under the [MIT] license. Please contact the author if you want to use Ripser in your software under a different license.
Ripser is licensed under the [MIT] license (`COPYING.txt`), with an extra clause (`CONTRIBUTING.txt`) clarifying the license for modifications released without an explicit written license agreement. Please contact the author if you want to use Ripser in your software under a different license.
[Ulrich Bauer]: <http://ulrich-bauer.org>
[live.ripser.org]: <http://live.ripser.org>

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