On Mon, Nov 25, 2002 at 09:10:32PM +0900, Takaaki Tateishi wrote: > Matz proposed the better specification of class variable as follows. > He welcomes advice. > > (3) Substituting class variables *outside of method definitions* give a > warning. This is an early detection of the error like constants. What do you mean by "substituting"? > (4) The scope of class variables is restricted only within the class/module. > All the subclasses can not access to those class variables. Does this mean that class variables are no longer accessible to derived classes? Won't this break code? Paul