[License-discuss] April 2019 Summary

Lukas Atkinson opensource at lukasatkinson.de
Mon May 6 19:58:02 UTC 2019


In April, the License-Discuss mailing list:

   - talked about non-commercial licensing
   - discussed license revocability
   - answered a question about LGPL/Apache compatibility

The summary can also be read online at
https://opensource.org/LicenseDiscuss042019

The corresponding License-Review summary is online at
https://opensource.org/LicenseReview042019 and covers extensive discussion
about the Cryptographic Autonomy License.

*International Licenses Redux*

As proposed in December <https://opensource.org/LicenseDiscuss122018>,
Richard Fontana has updated the “International” license category of the OSI
license list.

*Non-Commercial doesn’t compose*

Chris Webber posts an essay about non-commercial licenses to the list,
based on his experience working at Creative Commons.

Webber is “sad to see history repeat itself […] given the [recent] volume
of submissions in favor some sort of noncommercial style license” (Note:
like SSPL). Whereas Rob Myers joked that NC stands for No Community, Webber
argues it represents “‘No Composition’, which is just as much or more of a
threat”. Core points:

   -

   Defining (non-)commercial use is extremely difficult. See
   https://wiki.creativecommons.org/wiki/Defining_Noncommercial.
   -

   NC is asymmetric. “NC has the kind of appeal that a lottery does: it’s
   very fun to think about participating when you imagine yourself as the
   recipient.”
   -

   NC feels like a minefield. If single NC licenses are already confusing,
   how would it feel if the whole system switched? For example, would a
   partially-NC Debian distribution be usable?
   -

   Different license users have opposed goals. “Libre Commoners” want to
   protect the commons, and want everyone to abide by the license. In
   contrast, “Proprietary Relicensors” want to prevent free riders in order to
   develop income. This is anti-community.

Webber concludes that “Noncommercial fails in its goals and it fails the
community. It sounds nice when you think you’ll be the only one on top, but
it doesn’t work, and it never will.”

*Can a contributor take back open source code?*

Antoine Thomas asks whether a contributor would be able to revoke/remove
their contributions from a project, and how this would affect old versions
of a project.

Kevin Fleming responds that legitimately provided open source licenses are
not revocable, but that a project might honor a request out of courtesy.

Brendan Hickey points out that copyright law may provide special revocation
rights, e.g. 17 USC §203. And even without revocation, a contributor could
make life difficult for users.

*Compatibility of LGPLv2.1 and Apache 2.0*

Bryan Christ asks whether Apache-covered software can link with LGPLv2.1
libraries and vice versa. The question is motivated by their incompatible
patent clauses.

Bruce Perens affirms that either direction of linking is fine: neither
license imposes terms on the software it is linked with. But the LGPL does
extend some terms onto the linked work in its entirety, which could be a
problem e.g. with proprietary licenses that prohibit reverse engineering.
While the Apache-2 patent clause is incompatible with the GPLv2, the LGPL
is structured differently.

Bryan Christ notes that the ASF lists the LGPL as incompatible. Bruce
Perens explains that the Apache Foundation excludes LGPL software from
their own projects because the LGPL affects the larger work, but that the
licenses themselves allow linking with each other.

McCoy Smith links to the FSF comment on the Apache license, but notes that
it only discusses GPL and not LGPL.
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