Re: Releasing under a different liberal license?
On 14/10/10 23:06, Miriam Ruiz wrote:
> There's some old code I am working on, but which unfortunately is not
> supported by upstream anymore. Thus, I've decided to become the new
> upstream and make the code evolve myself. The original license says
> Permission to use, copy, and distribute this software and its
> documentation for any purpose with or without fee is hereby granted,
> provided that the above copyright notice appear in all copies.
> Permission to distribute binaries including jfs-files for any purpose
> is hereby granted.
> This software is provided "as is" without express or implied warranty.
> Some time ago, I wrote to the original upstream asking for
> clarification of the license:
>> I'm interested in your program JFS2, even though it is
>> unmaintained now. I just have a doubt regarding the
>> license of the program:
>> Permission to use, copy, and distribute this
>> software and its
>> documentation for any purpose with or without fee
>> is hereby granted,
>> provided that the above copyright notice appear in
>> all copies.
>> Permission to distribute binaries including
>> jfs-files for any purpose
>> is hereby granted.
>> This software is provided "as is" without express
>> or implied warranty.
>> Does the license include permission to modify the code
>> and redistribute the modified program?
>> Also, does this license covers the contents of
>> jfsdoc204.tar.gz too?
>> Thanks in advance,
> And I received a very clarifying answer:
>> Regarding the license of JFS2.
>> The intension with the license was: you can use the program and its
>> documentation any way you want, as long as you don't try to take control
>> over (copyright) the program (I should y have releases it under a
>> GNU-lincense). So the answer to your questions is:
>>> Does the license include permission to modify the code
>>> and redistribute the modified program?
>> Yes. You are welcome to modify the code and redistribute the modified code.
>>> Also, does this license covers the contents of
>>> jfsdoc204.tar.gz too?
>> Yes. You can use the documentation any way you want.
>> Best regards
> Upstream seems not to be reachable anymore, the original web site has
> disappeared ( http://inet.uni2.dk/~jemor/jfs.htm ) and I think that
> his email address at that domain might be too. I have been evolving
> and cleaning the code for a couple of weeks (
> http://repo.or.cz/w/jfs-fuzzy.git ), but I'd like to release my
> version with a more standard license (I'm thinking about BSD-2 or MIT)
> before uploading the package to Debian.
> My question is then, can I release my derivative version of the
> software under a BSD-2 or MIT license (respecting the original
> copyright statements, of course)?
> Lots of thanks,
That actually looks very like a BSD/MIT licence to me. So I guess you
could release your version as BSD.
If upstream has disappeared, it would be courtesy to keep the original
version, with original licence, available next to your improved version.