Re: "Text is read-only"... except it isn't... or shouldn't be

[Eli Zaretskii]

> Date: Wed, 15 May 2013 07:56:01 -0400
> From: ken <gebser@mousecar.com>
> CC: help-gnu-emacs@gnu.org
> 
> > If the request is that any *.gif file whose signature doesn't match be
> > rejected by image-mode, then I suggest to file a feature request bug
> > using "M-x report-emacs-bug RET".
> >
> 
> As said earlier, this problem first appeared after my last emacs 
> upgrade, and this after editing this same file for, perhaps ten, perhaps 
> more years.  It would seem then that someone upstream decided already 
> not to make magic-mode-alist the default.

If you want this issue to be fixed, I suggest to report it as a bug.
Otherwise, you will have to hack auto-mode-alist forever.  Which is
fine with me, if it suits you, because I don't have a file named
list.gif that is nowhere near a GIF image.