Thank you very much for your answers !!! I will try to fix these small issues along with real patches, as I go over the code in the Graph Section... Most of the time lists are used to represent sets, and I guess it can be improved in a few cases :-)
Nathann -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
