Re: What's the difference between (defvar foo) and (declare (special foo)), with lexical-binding on?

[Dmitry]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

> (declare (special foo))
>
> is a hack defined in CL.  It predates lexical-binding and I don't
> think anyone has tried to adapt it to lexical-binding, so I don't know
> what it does in the case of lexical-binding.

Thanks! So, you would advise not to use it in lexical-binding code at
all?

I think the biggest problem with it is it sorta-works-but-not-exactly.