Re: modification of zlib/libpng license, is this legally usable?
Right, thanks alot. Would this apply to usage within eg. RHEL? What I
don't want is eg. someone to get it, implement it in their program, and
then sell it without permission.
On Sat, 2005-04-30 at 19:47 +0800, Wei Mingzhi wrote:
> This is okay as long as you don't call the result as
> "ZLib/libpng License", but always note that any
> restrictions like the 4th clause will render the
> program non-free!
>
> --- Anders Bergh <anders1@gmail.com> writes:
> > Hi
> >
> > I've modified the zlib/libpng license to be a bit
> > more restrictive for commercial usage.. I would like
> > to get some feedback, and I also wonder if it's
> > legally "usable".
> >
> > <LICENSE>
> >
> > Copyright (c) <year> <copyright holders>
> >
> > This software is provided 'as-is', without any
> > express or implied warranty.
> > In no event will the authors be held liable for any
> > damages arising from the
> > use of this software.
> >
> > Permission is granted to anyone to use this software
> > for any non-commercial
> > purpose, and to alter it and redistribute it freely,
> > subject to the following
> > restrictions:
> >
> > 1. The origin of this software must not be
> > misrepresented; you must not
> > claim that you wrote the original software.
> > If you use this software in a
> > product, an acknowledgment in the product
> > documentation would be
> > appreciated but is not required.
> >
> > 2. Altered source versions must be plainly
> > marked as such, and must not be
> > misrepresented as being the original
> > software.
> >
> > 3. This notice may not be removed or altered
> > from any source distribution.
> >
> > For commercial usage these restrictions applies
> > aswell:
> >
> > 4. You must have written permission by the
> > respective copyright holders
> > for using this software.
> >
> > 5. The usage of this software must be
> > acknowledged somewhere easily
> > accessible for the end user, such as the
> > about box or product
> > documentation.
> >
> > </LICENSE>
> >
> > Anders
> >
> >
>
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