Everything looks OK so far. All cases that were causing trouble seem fixed, as far as I can see. Christian Zimmermann FIGUGEGL! Department of Economics University of Connecticut 341 Mansfield Road, Unit 1063 Storrs, CT 06269-1063 http://ideas.repec.org/zimm/ christian.zimmermann@uconn.edu http://ideas.repec.org/e/pzi1.html