On Fri, Mar 2, 2018 at 2:39 PM, Jed Brown <j...@jedbrown.org> wrote: > Matthew Knepley <knep...@gmail.com> writes: > > > That is not the same as printing unused arguments. Michael's Pythia > > does this correctly, but it is even less simple. > > You want it to accept the unused arguments and just print them without > error, or some more subtle relationship among dependent options?
Yes, I do. I consider PETSc to have the correct functionality. The open world assumption is a good one, as long as you report that no one accepted that option. Matt > We're > here in a thread about not silently accepting options that *don't > exist anywhere*. > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>