[erlang-questions] A PropEr announcement

Daniel Dormont dan@REDACTED
Thu Jun 16 02:47:53 CEST 2011

I'm not a legal expert, but I did study some of this licensing business some
time ago, so just a couple of things to bear in mind:

- the question of what constitutes a derived work is an issue under
copyright law and may vary by jurisdiction; it is not up to the author of
the license to define that. See for example

- I don't imagine most proprietary software programs ship with unit tests
included. Then again, I could be wrong :)


On Wed, Jun 15, 2011 at 4:57 PM, Daniel Luna <daniel@REDACTED> wrote:

> On 15 June 2011 13:07, Kostis Sagonas <kostis@REDACTED> wrote:
> >  // ... We also told them about the issue that the GPL is supposedly
> >  //     unusable for Erlang programs due to the nature of Erlang.
> (Hoping that I'm now properly subscribed so that this message actually
> reaches the list)
> The GNU GPL has an exception for "system libraries" and in version 3
> that now explicitly includes the standard libraries of common
> programming libraries. So Erlang should be fine with version 3.
> The Quick Guide on gnu.org has a short section about that exception
> here:
> http://www.gnu.org/licenses/quick-guide-gplv3.html#less-source-to-distribute-new-system-libraries-exception
> /Daniel
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