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Re: Licensing question about the BSD

From: Steve
Subject: Re: Licensing question about the BSD
Date: Tue, 02 Aug 2005 12:59:14 -0400
User-agent: Mozilla Thunderbird 1.0.2 (Windows/20050317)

The BSD license does not cover the modifications, it merely allows for
the modifications.

Can you please elaborate further? This statement seems to directly contradict your previous one, acknowledging that works deriving from BSD-licensed code must include the ancestral owner(s)'s copyright notice(s) and licensing conditions/disclaimer.

For purposes of what I'm asking about, placement of these acknowledgments in source code vs. advertisements isn't really relevant. The license states that "redistributions... with modification" (ie. derived works) have to embed the BSD license terms SOMEWHERE in their materials. Doesn't this mean that derived works are therefore covered by the BSD license (in addition to any other proprietary or open licensing terms the derived work author himself applies)?

Consider an example. Some author created an application named "A", and licenses it with the BSD. Another author creates application "B", containing some code from "A". The author of "B" licenses his work under the GPL, but includes a copyright notice and the BSD terms in his source code to satisfy the terms of "A". Finally, I come along and write application "C", which incorporates code from "B".

In this example, I would of course be required to license my "C" application under the GPL. Would I ALSO need to embed in my source and docs a copyright notice for the author of "A", with the BSD terms and disclaimer? Even though the "B" application I derived from was GPL'ed, do I also "inherit" that requirment placed on "B" by "A"?

I guess what has me confused is that I've seen tons of projects that incorporate BSD-licensed code, yet do not include long lists of copyright notices in their source and docs. Does this imply that many people deriving from BSD-licensed works are simply breaking the license agreement, or is there something else I'm missing here?
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