code.gitea.io/gitea@v1.21.7/options/license/Graphics-Gems (about)

     1  LICENSE
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     3  This code repository predates the concept of Open Source, and predates most licenses along such lines. As such, the official license truly is:
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     5  EULA: The Graphics Gems code is copyright-protected. In other words, you cannot claim the text of the code as your own and resell it. Using the code is permitted in any program, product, or library, non-commercial or commercial. Giving credit is not required, though is a nice gesture. The code comes as-is, and if there are any flaws or problems with any Gems code, nobody involved with Gems - authors, editors, publishers, or webmasters - are to be held responsible. Basically, don't be a jerk, and remember that anything free comes with no guarantee.