OpenBSD: The BSD License

During the continuing debates regarding the legality and fairness of re-licensing BSD licensed code, it was asked why the BSD license couldn’t be extracted from Windows applications known to include BSD licensed code. OpenBSD creator Theo de Raadt explained, “what you ran strings on is not ‘source code’. It was the binary,” pointing to the first clause of the BSD license which says, “redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.” He then quoted the second clause of the BSD license, “redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution,” and added, “if you take your Microsoft documentation, and dig really deep, you will find the whole notice copied into it there. Go ahead, you’ll find it.”

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