Why do group ID's change when cloning a stack

[Judy Perry]

Is this a programmer-thing?

I ask because I have a devil of a time convincing my students to *name*
their objects.  They end up having problems and it's VERY frustrating...

Judy

On Fri, 11 Aug 2006, Robert Sneidar wrote:

> Since the days of Hypercard, I have known that using ID's to
> reference objects was sketchy at best. As a matter of good
> programming practice, you should keep track of all your variables and
> object names so there is no inadvertent duplication to bite you in
> the butt later.