Re: lexical-let void function

[GNU Hacker]

Óscar Fuentes <ofv@wanadoo.es> writes:
> GNU Hacker <project@gnuhacker.org> writes:

>> I find `lexical-let' func in a old emacs script, but it is a void
>> function in my emacs version 28.0.92

>> maybe require it any emacs package?

> (require 'cl)

> Emacs now provides "native" lexical binding. See the "Lexical binding"
> node in the Elisp manual.

Package cl is deprecated in emacs 28.0.92

I fixed it adding

 -*- lexical-binding: t; -*-

to the first line

Just do

M-x elisp-enable-lexical-binding

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