Re: python-mode from plain txt-files?

[Andreas Röhler]

On 06.05.20 21:20, Eli Zaretskii wrote:
> > From: Andreas Röhler <andreas.roehler@easy-emacs.de>
> > Date: Wed, 6 May 2020 21:13:47 +0200
> >
> > from emacs -Q, when opening file with ending ".txt" which contains
> >
> > #! /usr/bin/env python3
> >
> > python-mode is started. Is this correct? Understand the mode is ruled
> > by a files ending, not just by some contents.
> That's a simplification.  The full story is described in the ELisp
> manual, under set-auto-mode (node "Auto Major Mode").
>
> > How to open such a file in fundamental-mode?
> "M-x fundamental-mode RET"?
Than Emacs hangs already, it's not accessible any more.
> Or temporarily disable interpreter-mode-alist

When evaluating in scratch-buffer

(setq auto-mode-alist nil)

python-mode still appears.

Isn't it a bug? IMO files with ending ".txt" shouldn't be set in any 
programming language mode.