Re: %nil once again

[Ken Raeburn]

On Jul 19, 2009, at 16:10, Neil Jerram wrote:
> > BTW, I implemented also the function bindings of symbols using this
> > fluid-based dynamic scoping at the moment -- but on second thought,
> > there's no scoping at all for function slots (all are global), is
> > there?
>
> No, I don't think there is.  `let' can't operate on function slots.

Not in the main emacs lisp implementation.  However, cl-macs.el  
provides an "flet" macro that does work on function slots; it uses the  
"letf" macro which expands to include a use of unwind-protect to do  
its dirty work.

Ken