RE: [External] : Closures - do you understand them well?

[Drew Adams]

Typo - forgot to mention bar here:

> I use (let ((xs    ())
>             (foop  nil)
>             (bar   nil)
>             (yy))
> to tell me that:
> 
> 1. xs and foop are bound initially.
                ^^^^
               and bar
>    yy gets its meaningful value only from
>    the `let' body - its initial nil value
>    is (should be) meaningless/ignored.