bug#18059: 24.3.92; defvar and special variables

[Noam Postavsky]

Michael Heerdegen <michael_heerdegen@web.de> writes:

> Thanks for the examples.  Maybe - and this is my personal opinion - such
> examples in the manual would not be too bad.  I find the issue hard to
> understand without such examples, though it might be a secondary
> subject.

Yeah, it's just a bit tricky where to put them without cluttering up the
main explanation with this fairly (IMO) niche use-case.

>> I noticed doing (let () (defvar x)) seems to be the same as (progn
>> (defvar x)), which may be a bug.
>
> I guess because the interpreter doesn't create a new lexical environment
> in this case?  But indeed it seems to contradict the doc.

Although, maybe that means we should just change the doc.  Stefan, thoughts?