i haven't installed the latest version, but from
https://www.gnu.org/software/parallel/man.html
> If you do not want to help financing future development by letting other
users see the citation notice or by paying, then please use another tool
instead of GNU parallel
i'm not enough of a laywer to definitively interpret "please" in that
context, but my understanding is that generally it's taken as a required as
opposed to optional. i'm assuming the verbage in the current source matches
the website, but i haven't attempted to verify that
On Mon, Sep 10, 2018 at 8:27 PM, Stefan Monnier
wrote:
> > usage of parallel requires agreeing to a click-wrap that is inconsistent
> > with the DFSG. it should be moved to non-free
> [...]
> > parallell --bibtex:
> > "When using programs that use GNU Parallel to process data for
> publication
> > please cite:
> > ...
> > Or you can get GNU Parallel without this requirement by paying 1 EUR.
> > ...
> > Type: 'will cite' and press enter."
>
> Apparently this was changed in the mean time to a wording that makes it
> clear it's only a polite request and not a legal requirement.
>
> So, AFAICT it doesn't conflict with the DFSG (at least, not any more).
>
>
> Stefan
>
