--- On Fri, 5/14/10, Steven D'Aprano <st...@remove-this-cybersource.com.au>
wrote:
> From: Steven D'Aprano <st...@remove-this-cybersource.com.au>
> Subject: Re: Picking a license
> To: python-list@python.org
> Date: Friday, May 14, 2010, 10:59 PM
> On Fri, 14 May 2010 06:39:05 -0700,
> Ed Keith wrote:
>
> > Yes, under the GPL every one has one set of freedoms,
> under the MIT or
> > Boost license every one has more freedoms. Under other
> licenses they
> > have fewer freedoms.
>
> I think this talk about freedoms is dangerously incomplete,
> and is
> confusing the issue rather than shedding more light. Both
> licences grant
> the same positive freedoms (freedom to do something).
> MIT-style licences
> grant permission to:
>
> * make copies of the work;
> * make derivative works based on the work; and
> * distribute those derivative works to others.
>
> The GPL grants precisely the same three rights. There is no
> difference in
> the rights granted.
>
> The MIT licence imposes an obligation on the licencee:
>
> * you must include a copy of the licence and copyright
> notice with the
> work and/or any derivative works.
>
>
> The GPL adds a further obligation:
>
> * any derivative works must also be licenced under the
> GPL.
>
>
That is why I prefer Boost, which adds very few obligations.
> If we want to talk about "freedoms", rather than rights and
> obligations,
> we need to distinguish between positive freedoms (freedom
> to do
> something) and negative freedoms (freedoms from something)
> and not just
> blithely mix them up.
>
Good point.
-EdK
Ed Keith
e_...@yahoo.com
Blog: edkeith.blogspot.com
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