All of these problems are fixed in the online 2.6 edition of the Zope Book. (but note that it's now chapter 6): http://www.zope.org/Documentation/Books/ZopeBook/2_6Edition/BasicObject.stx -- Paul Winkler http://www.slinkp.com Look! Up in the sky! It's DARK EQUESTRIAN SADIST! (random hero from isometric.spaceninja.com)