IPL as a burden
Ian Lance Taylor
ian at airs.com
Mon Jan 15 22:42:38 UTC 2001
Manfred Schmid <mschmid at intradat.com> writes:
> > In other words, you can claim a license free, but you can't forbid
> > people from modifying your software to permit them to run it without
> > paying the fee.
> I think, the obligation to pay a license fee is a legal obligation and
> not bound to any license keys. We could claim fees without any keys.
> Even if somebody (maybe us) took out the key algorithm and the software
> would run without any license keys, we would still be entitled to the
That would violate OSD #7: no additional license may be required
beyond the open source license itself.
> OSD criteria number 3 does not say: "Each and every line of any text
> published under an Open Source License must be changeable, if it is
> relevant for technical progress or not".
You're right, it's not stated. However, it is implied. The criteria
does not say ``must allow modifications and derived works, but the
license may retrict modifications in certain areas.'' It says that
the license ``must allow modifications and derived works.'' If you
prohibit certain sorts of modifications, then you violate the
Remember that the OSD is not a program, and it is not a legal
document. It is a set of guidelines written for humans.
If you really believe that your license is open source, I can only
conclude that you do not understand open source. The license, as it
stands, will not get OSI approval. I urge you not to use the term
``open source'' to describe your license. It will just get you in
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