bug#66706: [PATCH] Automatic elisp dialect insertion

[Eli Zaretskii]

> From: Mattias Engdegård <mattias.engdegard@gmail.com>
> Date: Mon, 23 Oct 2023 19:46:14 +0200
> 
> This patch inserts the lexical cookie in new Elisp files automatically.
> It helps users by making it less likely that they forget to add it, and 
> eliminates some drudgery.
> Their code will be more future-safe, and more robust and performant here and 
> now.

This could be an optional feature, but not the default.  It is
un-Emacs'y to insert stuff into user files or buffers without an
explicit consent.  We have several auto-insert features in Emacs, and
they are all optional, so this one must be optional as well.

Thanks.