> > I have also tried to change the error message as per Alvaro's > suggestions. > > I will really try to see if we have other issues. Really cannot have > Robert > > reporting all the bugs and getting annoyed, but there are lotsa > variations > > possible with inheritance.. > > So did you find anything? > > Nothing much as yet. I think we are mostly there with the code but will keep on trying some more variations along the lines of what Robert tried out whenever I get the time next.