Instead of duplicating power series functionality (existing in rings/) in Pynac, where there is momentarily only a skeleton implementation that does not even play nice with the rest of symbolics, the series method of Expression should return an element of PowerSeriesRing(SR).
I think this would be the right design, and now is the right time to at least commit to this decision. So, what can be brought against it? http://trac.sagemath.org/ticket/18393 -- 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 http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
