GNU bug report logs - #23781
25.0.95; read-string with HIST lexically bound

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Package: emacs;

Reported by: Tino Calancha <f92capac <at> gmail.com>

Date: Fri, 17 Jun 2016 05:20:01 UTC

Severity: normal

Tags: fixed

Found in version 25.0.95

Fixed in version 25.1

Done: npostavs <at> users.sourceforge.net

Bug is archived. No further changes may be made.

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From: Drew Adams <drew.adams <at> oracle.com>
To: Noam Postavsky <npostavs <at> users.sourceforge.net>, Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: Tino Calancha <f92capac <at> gmail.com>, 23781 <at> debbugs.gnu.org
Subject: bug#23781: 25.0.95; read-string with HIST lexically bound
Date: Thu, 23 Jun 2016 16:18:52 -0700 (PDT)
> > AFAICT this is expected and not specific to `read-string': A quoted
> > symbol can never refer to a lexical binding - and `symbol-value' or
> > `eval' always return the dynamic binding.
> 
> Right, it's sort of hinted at in the elisp manual (11.9.3 Lexical Binding):
> 
>     Note that functions like ‘symbol-value’, ‘boundp’, and ‘set’ only
>     retrieve or modify a variable’s dynamic binding (i.e., the
>     contents of its symbol’s value cell).
> 
> I think we should be a little more specific, not
> just give examples, something like:
> 
>     Note that functions which take a symbol argument (like
>     ‘symbol-value’, ‘boundp’, and ‘set’) can only retrieve or modify a
>     variable’s dynamic binding (i.e., the contents of its symbol’s
>     value cell).
> 
> Sort of releated: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=21185

Be even more specific: A Lisp symbol is a dynamic thing.
It is an object.  Lexical binding has nothing to do with symbols.
A given _name_ in code can sometimes be lexically bound.




This bug report was last modified 8 years and 329 days ago.

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