Re: master e910ef3: Improve bound-and-true-p doc string

[Lars Ingebrigtsen]

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

> Hmm... the `boundp` indeed checks the binding of the dynvar of that
> name, but the subsequent var reference will actually return the lexical
> binding if there's one:
>
>     (eval '(let ((sm-foo 4)) (set 'sm-foo 0) (bound-and-true-p sm-foo)) t)
> =>
>     4

Oh yeah -- it's not really a meaningful function at all when referring
to a lexically bound variable.  I've now updated the doc string further.

> I suspect that `boundp` should signal a warning when compiling such code
> because using `boundp` or `bound-and-true-p` within the lexical scope of
> a var with the same name seems like a good hint that the coder is
> quite confused.

Yes, sounds like a good idea.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no