Re: Auto Fill Comments

[Dante Catalfamo]

Is there any reason you don't add a hook to prog-mode instead? Are there 
some languages that don't have well defined comments?

On 11/24/20 2:42 PM, daniela-spit@gmx.it wrote:
> This is what I use.  I find no good reason to use c-mode-common-hook.
>
> (defun break-comment ()
>     (setq-local comment-auto-fill-only-comments t)
>     (auto-fill-mode 1))
>
> (add-hook 'sh-mode-hook          #'break-comment)
> (add-hook 'fortran-mode-hook     #'break-comment)
> (add-hook 'emacs-lisp-mode-hook  #'break-comment)
> (add-hook 'texinfo-mode-hook     #'break-comment)
>
> (add-hook 'c-mode-hook       #'break-comment)
> (add-hook 'c++-mode-hook     #'break-comment)
> (add-hook 'awk-mode-hook     #'break-comment)
> (add-hook 'R-mode-hook       #'break-comment)
> (add-hook 'octave-mode-hook  #'break-comment)
> (add-hook 'text-mode-hook    #'break-comment)
>
>
> > Sent: Tuesday, November 24, 2020 at 6:05 PM
> > From: "Christopher Dimech" <dimech@gmx.com>
> > To: "Help Gnu Emacs" <help-gnu-emacs@gnu.org>
> > Subject: Auto Fill Comments
> >
> > Would this be good enough  to Auto Fill Comments in c language.
> > What can I use for Auto Fill Comments for other languages, e.g.
> > fortran, elisp, c++, texinfo, bash, awk, org, R.
> >
> > ;; Apply Auto Fill to comments but not code in programming language modes.
> > (add-hook 'c-mode-common-hook
> >     (lambda ()
> >        (auto-fill-mode 1)
> >        (set
> >           (make-local-variable 'fill-nobreak-predicate)
> >           (lambda ()
> >              (not (eq (get-text-property (point) 'face)
> >                      'font-lock-comment-face)))) ))