bug#67321: 29.1.90; Different parsing rules for -*- lexical-binding:t; -*- in different circumstances

[Sebastian Miele]

> From: Gerd Möllmann <gerd.moellmann@gmail.com>
> Date: Wed, 2023-11-22 15:59 +0100
>
> Thanks, Sebastian. I got the trick, though it took me a minute. Clever,
> clever :-).

I want to explicitly have mentioned that I did not come up with the
trick by myself.  (And it took me more than a minute to grok it.)

> TBH, I don't see a good reason why that should be used instead of the
> much simpler
>
> cat >somefile <<EOF
> ; -*- lexical-binding: t -*-
> (message "%s" lexical-binding)
> EOF
> emacs --script somefile

Didn't think of this either.  I'm not a big fan of the temporary file,
but it definitely is fine.