Re: Auto Fill Comments

[daniela-spit@gmx.it]

We currently have just a hook to text-mode

(add-hook 'text-mode-hook
   '(lambda()
       (turn-on-auto-fill)
       (set-fill-column 80) ))

> Sent: Thursday, November 26, 2020 at 4:56 AM
> From: "Christopher Dimech" <dimech@gmx.com>
> To: "Christopher Dimech" <dimech@gmx.com>
> Cc: help-gnu-emacs@gnu.org
> Subject: Re: Auto Fill Comments
>
>
> I am still stuck with trying to do autofill by cycling through a key binding.
> In summary I want to cycle between
>
> 1. Auto Fill only comments
> 2. Auto Fill entire buffer
> 3. Disable Auto Fill
>
> What command can be used to set the three commands?
>
> > Sent: Wednesday, November 25, 2020 at 8:59 AM
> > From: "Christopher Dimech" <dimech@gmx.com>
> > To: "Robert Thorpe" <rt@robertthorpeconsulting.com>
> > Cc: help-gnu-emacs@gnu.org
> > Subject: Re: Auto Fill Comments
> >
> > M-q was what I have been doing.  Want to try out auto fill, see if it can save me
> > using the key binding.  I usually keep code quite compact, but will check out
> > what you discussed.
> >
> >
> > > Sent: Wednesday, November 25, 2020 at 8:11 AM
> > > From: "Robert Thorpe" <rt@robertthorpeconsulting.com>
> > > To: "Christopher Dimech" <dimech@gmx.com>
> > > Cc: help-gnu-emacs@gnu.org
> > > Subject: Re: Auto Fill Comments
> > >
> > > Christopher Dimech <dimech@gmx.com> writes:
> > >
> > > > 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)))) ))
> > >
> > > Notice that "M-q" performs paragraph filling for comments in C and other
> > > languages.  It is not *auto* filling certainly, but it's very useful.
> > >
> > > I've found that to be the best myself.  That's because of commenting out
> > > code.  The problem is if you comment out code then modify it when it's a
> > > comment.  If you set Emacs to auto-fill comments, then it will auto-fill
> > > those code comments as though they're text.  That's wrong when you want
> > > to uncomment the block and make it back into code, it removes the
> > > indentation.
> > >
> > > BR,
> > > Robert Thorpe
> > >
> > >
> > >
> >
> >
>
>