There are some tests in the common-lisp test suite with dynamic binding that I
don't understand. If someone could help shed some light on them I'd appreciate
it.
progv makes it's arguments special. I don't understand how they can be a
different special than the one declared in the let. I'd love an explanation.
(let ((x 0))
(declare (special x))
(progv '(x) ()
(boundp 'x))) ==> NIL
(let ((x 0))
(declare (special x))
(progv '(x) () (setq x 1))
x) ==> 0
Thanks,
Greg
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