On Mon, Jun 25, 2007 at 05:09:50PM -0400, Gene Heskett wrote:
> 
> Chris:  Without trying to be a lawyer cuz I'm not, just curious, what was the 
> objection based on?

Whoah right there!  I don't object to anyone making a derivative work
of my truetype-tracer.  I encourage such things - that's why I used
the GPL license in the first place.

I initially contacted Till because there were binaries but no
corresponding source on his webpage.  He fixed that immediately, no
problem.  He just hadn't put up the source files yet.

Later, he discovered this other problem about the conflicting
licenses.

I am not sure if xfig and truetype-tracer are incompatible.  The
GPL requires that a derivative work also be distributed under the
GPL, but the xfig license allows the program to become proprietary:

         Any party obtaining a copy of these files is granted,
         free of charge, a full and unrestricted irrevocable,
         world-wide, paid up, royalty-free, nonexclusive right
         and license to deal in this software and documentation
         files (the "Software"), including without limitation
         the rights to use, copy, modify, merge, publish
         distribute, sublicense and/or sell copies of the
         Software, and to permit persons who receive copies from
         any such party to do so, with the only requirement
         being that the above copyright and this permission
         notice remain intact.

Since Till's right to "modify/merge/publish/distribute" xfig is
"unrestricted", it might be possible for him to use the GPL for the
combined work.  I don't know what it means for this "notice" to
"remain intact" but that's a requirement.  Is "intact" the same as "in
effect"?  I hope someone else who knows more than me can help.

I think this is a cool and useful project and hope it's possible for
Till to release it under the terms of the GPL.  But, I suspect the
intent of the xfig authors was to allow anyone to make the program
proprietary (even if the words don't say exactly that).  In that case,
Till unfortunately can't satisfy both licenses and cannot distribute
the combined work.  I appreciate his care/attention in this matter.

Chris


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