In article <000301be9b09$ac1ec060$4c25cacf@lycos>, Andy Smith <andy@ictibroker.com> wrote:
Next on my list is a 'Russian Doll product' which allows you to place inside it a 'Russian doll' product which in turn allows you to place inside it another 'Russian Doll' product , which in turn ....
Playing with the ZClasses tutorial, I noticed that I was able to place and instance of CD inside the CD class. I removed it before shutting down since I wasn't sure Zope would be able to deal with the circular reference on startup. Reminds me of a bug in the old Amiga Workbench 1.3: create two folders, a and b. Open their windows. Now draw a's icon into b's open window, and vice versa. Close the windows and *poof*, they've disappeared into each other forever. I couldn't get Zope to do this one, though :-)