bug#37656: 27.0.50; Arbitrary code execution with special `mode:'

[Eli Zaretskii]

> From: Adam Plaice <plaiceadam@gmail.com>
> Date: Wed, 16 Oct 2019 13:51:57 +0200
> Cc: Stefan Kangas <stefan@marxist.se>, 37656@debbugs.gnu.org
> 
> > This feature was described as "deprecated", but where and why did we
> > deprecate it?
> 
> I think bug#8613 is where the decision was made.  The deprecation is
> mentioned in files.el and the manual warns against using `mode:' for
> minor modes in:
> (info "(emacs) Specifying File Variables")

OK, thanks.

However, I don't think that removing the feature will solve the more
general problem in this bug report.