Re: outline-minor-mode and org-mode capabilities for programming languages

[Christopher Dimech]

> Sent: Monday, May 10, 2021 at 11:53 PM
> From: "Jean Louis" <bugs@gnu.support>
> To: "Christopher Dimech" <dimech@gmx.com>
> Cc: help-gnu-emacs@gnu.org
> Subject: Re: outline-minor-mode and org-mode capabilities for programming 
> languages
>
> * Christopher Dimech <dimech@gmx.com> [2021-05-10 13:28]:
> > (add-hook 'emacs-lisp-mode-hook #'outline-minor-mode)
> > (add-hook 'emacs-lisp-mode-hook
> >       (lambda ()
> >           (outline-minor-mode 1)))
> 
> I am not sure why you need to call 2 times, isn't once just enough?
> 
> I have tried this:
> 
> > (add-hook 'emacs-lisp-mode-hook #'outline-minor-mode)
> 
> and it works. I try that with this function here, could be
> interesting. It creates new temporary buffers. C-u F5 and I choose the
> favorite mode, and the above hook worked just well.
> 
> I think there is no need for second line above.

You are right, have removed the second and do get outline-minor-mode for elisp 
files.
 
> (defvar rcd-temp-buffer-mode-history nil)
> 
> (defun rcd-temp-buffer (&optional name mode)
>   (interactive "p")
>   (let* ((format "*RCD TEMPORARY BUFFER%s%s*")
>        (buffer (if name (format format ": " name) (format format "" ""))))
>     (switch-to-buffer (generate-new-buffer "*RCD TEMPORARY BUFFER*"))
>     (if current-prefix-arg
>       (let* ((modes '("adoc-mode" "emacs-lisp-mode" "lisp-mode" 
> "markdown-mode"
>                        "org-mode" "sql-mode" "fundamental-mode" "html-mode"))
>              (mode (completing-read "Mode: " modes nil t nil 
> 'rcd-temp-buffer-mode-history)))
>         (funcall (intern mode)))
>     (funcall (intern (or mode "fundamental-mode"))))))
> 
> > (highlight-regexp "^;;;;;.*$" 'hi-yellow)
> 
> I don't think that is right place to define highlighting. Please first
> verify options of outline-minor-mode-highlight (I did not yet).
> 
> > (setq outline-heading-alist
> >       '((";; * " . 1) (";; ** " . 2) (";; *** " . 3)) )
> > 
> > ((emacs-lisp-mode .
> >     ((outline-heading-alist .
> >         '( (";; * " . 1)
> >            (";; ** " . 2)
> >            (";; *** " . 3) )  ))))
> > 
> > Still want to ask example code for hon to change the outline-minor-mode 
> > keybindings to something else.
> 
> I have tried that, does it work on your side? Not on mine, I don't
> know why.

Does not work here either, trying to understand why.
 
> I have made new prefix: outline-minor-mode-prefix is C-c C-d ""
> 
> But TAB works automatically when you set headings.
> 
> -- 
> Jean
> 
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