Re: Changing buffer mode

[carlmarcos--- via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>]

Jul 22, 2022, 18:21 by incal@dataswamp.org:

> carlmarcos--- via Users list for the GNU Emacs text editor wrote:
>
>> From studying your code and my original code. Do you
>> approve of it, or could it be improved a bit more?
>>
>
> It looks good I guess but I don't think it's a good idea to
> begin with, I think it's better to let Emacs handle this for
> you, and if it doesn't the way you'd expect or like,
> configure it, e.g.
>
> ;;; -*- lexical-binding: t -*-
> ;;
> ;; this file:
> ;;   https://dataswamp.org/~incal/emacs-init/mode-by-filename.el
>
> (setq auto-mode-alist `(
>  ("\\.bal\\'"     . balance-mode)
>  ("\\.cl\\'"      . common-lisp-mode)
>  ("\\.dat\\'"     . gnuplot-mode)
>  ("\\.gpi\\'"     . gnuplot-mode)
>  ("\\.grm\\'"     . sml-mode)
>  ("\\.lu\\'"      . lua-mode)
>  ("\\.nqp\\'"     . perl-mode)
>  ("\\.php\\'"     . html-mode)
>  ("\\.pic\\'"     . nroff-mode)
>  ("\\.pl\\'"      . prolog-mode)
>  ("\\.sed\\'"     . conf-mode)
>  ("\\.service\\'" . conf-mode)
>  ("\\.tap\\'"     . gcode-mode)
>  ("\\.tex\\'"     . latex-mode)
>  ("\\.xr\\'"      . conf-xdefaults-mode)
>  ("keys\\'"       . conf-mode)
>  ("*"             . text-mode)
>  ,@auto-mode-alist) )
>

I have done that actually.  But sometimes I introduce some tags that allow
some tools to be used if I switch to another mode, even though it
is not the mode usually associated with a particular file type.