What about OUTPUT: lattice
Unlike an INPUT, an OUTPUT is not a list of things. So why format it as a list? A list could be useful for example in
OUTPUT: a tuple ``(a,b)`` with - ``a`` a foo - ``b`` a bar -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
