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Re: scheme set list function


From: David Kastrup
Subject: Re: scheme set list function
Date: Mon, 08 Apr 2019 15:56:39 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Aaron Hill <address@hidden> writes:

> On 2019-04-08 4:35 am, David Kastrup wrote:
>>
>> There is no global variable x.  There is a binding, but the scope of
>> the binding ends with the let.  This binding is anonymous afterwards
>> and has no name.  You can call functions manipulating the global
>> variable x from inside of foo and their action is not related to
>> having used the binding x when defining foo.
>
> I didn't say global, I said "global".  The quotes are there
> intentionally as I know it is not an actual top-level binding, but it
> is effectively no different in practice.

If there were no difference in practice, there would not have been an
incentive for Emacs to acquire the lexical-binding variable/feature.

-- 
David Kastrup



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