RE: CommonLisp namespace system (was Re: adding namespaces to emacs-lisp (better elisp?))

[Drew Adams]

> I am explicitly not offering to implement the CommonLisp name spacing
> system in Emacs.
> 
> I can promise that I won't needlessly differ from it. Where I do differ
> from it there will be a good reason.

Again, could you please "spell [out] the differences out in more detail
somewhere"?  How does what you propose differ from the Common Lisp
package system?  What are the differences and the reasons for them?