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List:       r-devel
Subject:    Re: [Rd] serial connection patch
From:       Matt Shotwell <shotwelm () musc ! edu>
Date:       2010-04-27 14:16:15
Message-ID: 1272377775.4721.54.camel () deacon
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Oh, I just put that there for the bit about "WITHOUT ANY WARRANTY" :). I
am satisfied with GPLv2 and have updated the license notice to reflect a
change from GPLv3 to GPLv2 or later.

-Matt

On Tue, 2010-04-27 at 09:33 -0400, Peter Dalgaard wrote:
> On Apr 27, 2010, at 2:42 PM, Duncan Murdoch wrote:
> 
> > On 27/04/2010 8:32 AM, Matt Shotwell wrote:
> > > Simon, 
> > > Thanks for reviewing it! All the modified files are under the GPL
> > > version 2 (except the configure script). According to the GPLv2, I am
> > > granted permission to modify and redistribute the code as long as I make
> > > a notice in the files of their modification and the date (which I have
> > > not done yet). As I understand (I'm not lawyer), the copyright is
> > > necessary for, and does not alter the terms of the GPLv2. Is there
> > > something specific you're thinking of that invalidates this?
> > > 
> > 
> > I don't know what Simon noticed, but I saw that you had indicated a GPL v3 \
> > license on the web page.  GPL2 is not compatible with GPL3, so that makes your \
> > contribution unusable by us.
> 
> Yes, this is a bit messy, but some got sufficiently annoyed by the added \
> restrictions of GPL3 that they insist on keeping their contributions GPL2, so \
> adding GPL3-only stuff is off limits.  
> I don't think we have a problem with merging user contributions that are licensed \
> "GPL2 or later". A copyright transfer gives some legal clarification, but is only \
> really required in case the R Foundation wants to (dual-) relicense under a GPL \
> incompatible license, or need to be able to legally defend users' code against \
> infringement. The former is highly unlikely, and it would require major \
> disentanglement in other areas anyway, and I don't see contributions of this order \
> of magnitude as a target of legal dispute either.  
> > 
> > Duncan Murdoch
> 

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