For http://www.openbsd.org/faq/faq3.html :
--- faq3.html.orig 2015-12-20 17:13:16.688175000 +0100 +++ faq3.html 2015-12-20 17:16:37.529726012 +0100 @@ -103,7 +103,7 @@ official OpenBSD CDs. As an incentive for people to buy the CD set, some extras are included in the package as well (artwork, stickers etc). <p> -Note that only the CD layout is copyrighted, OpenBSD itself is free. +Note that only the CD layout is copyright-restricted, OpenBSD itself is freely licensed. Nothing precludes someone else from downloading OpenBSD and making their own CD. Rationale: It is a still surprisingly common misunderstanding that permissively licensed software wasn't copyrighted. Regardless of license choice (BSD, MIT, ISC, GPL, MS-EULA, etc.), software that is not in the public domain remains protected by copyright. Thus the claim that *only* the CD layout was copyrighted is factually incorrect. However, OpenBSD, though copyrighted, is freely (or permissively) licensed -- and therefore not substantially *restricted* by its copyright. Alternatively, this belt-and-suspenders diff might be even clearer, albeit wordier: --- faq3.html.orig 2015-12-20 17:13:16.688175000 +0100 +++ faq3.html 2015-12-20 18:19:07.288248875 +0100 @@ -103,9 +103,9 @@ official OpenBSD CDs. As an incentive for people to buy the CD set, some extras are included in the package as well (artwork, stickers etc). <p> -Note that only the CD layout is copyrighted, OpenBSD itself is free. +Note that only the copyrighted CD <i>layout</i> is commercially restricted; the copyrighted OpenBSD software itself is permissively licensed and thus <a href="/policy.html">freely redistributable</a>. Nothing precludes someone else from downloading OpenBSD and making their -own CD. +own CDs for themselves (though not for unlicensed distribution if significantly similar or identical to an official set). OpenBSD's licensing does allow you redistribute the software, so long as you do not infringe upon the CD layout copyright. Verifying and ensuring non-infringement in such a case might be another good reason to purchase a CD set. <p> Those that need or want a bootable USB drive can use the
