Subject: Re: bug#30078: 27.0.50; Use lexical-binding for M-:

From: Eli Zaretskii <[email-masked]>
Date: Fri, 12 Jan 2018 20:34:27 +0200

> From: Stefan Monnier <[email-masked]>
> Date: Fri, 12 Jan 2018 11:12:23 -0500
> Cc: [email-masked]
> 
> +** Lexical binding is now used when evaluating interactive Elisp forms
> +More specifically, lexical-binding is used for M-:, M-x ielm, as well
> +as in the *scratch* buffer.

Please, not in *scratch*.  Setting variables and then evaluating forms
that use them is very useful there.