I've read through the code and this is indeed the problem. It calls WeierstrassForm from schemes.toric which only implements the short version.
Fernando Rodriguez Villegas has some code available for Pari/GP http://www.ma.utexas.edu/users/villegas/cnt/cnt-frames.html in "jacobians" which works in any characteristic. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
