Why is tcl broken?

[Paul Duffin]

Fernando Mato Mira wrote:
> 
> OK. Let's dispel Lisp mith #4 and then
> let's get this out of comp.lang.python
> [economics are different than other groups,
>  BEWARE of Netscape's scrollbar!]
> 
> Paul Duffin wrote:
> 
> > > > I am surprised at this because Tcl's [upvar] is simply an explicit form
> > > > of dynamic binding which I seem to remember is what Lisp uses. (That
> >
> > Mistake, I think I meant dynamic scoping.
> 
> >         (defun inner (b)
> >           (+ a b))
> >
> >         (defun outer (a)
> >           (inner 3))
> >
> >         (outer 2)
> 
> >
> > A simple macro version of setq would convert from
> >         (setq symbol '(list))
> > to
> >         (set 'symbol '(list))
> 
> All 3 the same instance of the first misconception.
> That's OLD, BROKEN Lisp!!

Please enlighten me as to what my misconception is. I am obviously not
a Lisp expert and I realise that there are plenty of different flavours
around but the above code works inside Emacs which says that it is
based on Common Lisp.

-- 
Paul Duffin
DT/6000 Development	Email: pduffin at hursley.ibm.com
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