GPLv3's secretive Additional Terms

Chris Travers chris at
Sun Apr 25 23:58:07 UTC 2010

On Fri, Apr 23, 2010 at 5:20 PM, Wilson, Andrew <andrew.wilson at> wrote:

> Chris, I don't believe this language is GPLv3 compliant because of your
> restriction requiring verbatim reproduction of your permission.  Section 7 says
>        When you convey a copy of a covered work,
>        you may at your option remove any additional permissions
>        from that copy, or from any part of it.
> which contradicts your restriction.  Call me a literalist, but I think
> "remove any additional permissions" means a downstream recipient may /remove/
> permissions, not /add/ new restrictions which have the effect of countering
> additional permissions in underlying code.  That way lies madness.

Reading the GPL v3 in that way though makes it incompatible with a
plain reading of any BSD-style license.  Or is that my imagination?

Best Wishes,
Chris Travers

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