[License-discuss] Shortest copyleft licence

ChanMaxthon xcvista at me.com
Mon Mar 30 18:09:16 UTC 2015


Then I would like to propose this Copyleft-modified 2BSDL (or its 3BSDL-based cousin) but how? I would prefer writing the additional clause in the same fashion of the original clauses though.

Sent from my iPhone

> On Mar 30, 2015, at 22:24, cowan at ccil.org wrote:
> 
> Maxthon Chan scripsit:
> 
>> Is it favorable to add a copy left clause into 2BSDL to make it copyleft?
>> "You must provide the source code, in its human-preferred format, with
>> this work or any derivatives of this work you created when
>> redistributing."
> 
> That's pretty much what the Sleepycat license does.  Here's a very lightly
> edited version of its additional clause:
> 
>    Redistributions in any form must be accompanied by information
>    on how to obtain complete source code for the licensed software
>    and any accompanying software that uses the licensed software.
>    The source code must either be included in the distribution
>    or be available for no more than the cost of distribution
>    plus a nominal fee, and must be freely redistributable under
>    reasonable conditions. For an executable file, complete source
>    code means the source code for all modules it contains.
>    It does not include source code for modules or files that
>    typically accompany the major components of the operating
>    system on which the executable file runs.
> 
> The restrictions pretty much match those of the GPL2.
> The Sleepycat license itself is redundant and non-templatized,
> so it can't be reused directly.  If someone felt like
> proposing something like 2-clause BSD + the above, I for one would
> welcome it.  Unlike the GPL, this does not create a new and
> distinct software commons.
> 
> -- 
> John Cowan          http://www.ccil.org/~cowan        cowan at ccil.org
> Police in many lands are now complaining that local arrestees are insisting
> on having their Miranda rights read to them, just like perps in American TV
> cop shows.  When it's explained to them that they are in a different country,
> where those rights do not exist, they become outraged.  --Neal Stephenson
> 
> 
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