On Apr 9, 2014, at 12:53 PM, Gus Correa <gus at ldeo.columbia.edu> wrote: > For the benefit of new users, > this information could be more visible, though. > Perhaps an entry in the User's Guide or the FAQ. Good idea. I’ll add it to the user guide. FAQ is probably not appropriate for this, unless, of course, we get this question frequently enough. :-) — Pavan