Showing type of newline character in Emacs

emacs

How can I have Emacs display the type of new character?

I am looking for something similar to what Notepadd does (see below). I read that Emacs comes with M-x whitespace-mode but this doesn't seem to show the type of ASCII control character the file uses to represent linebreaks. Am I missing anything?

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Note: I asked this question in SuperUser but did not get an answer in 3+ months so I am hoping to try here now.

Best Answer

In the bottom left of your window, you have a cryptic string like 1:@**-. Hover over the colon, it'll tell you something like "line endings: unix, mouse-1 to toggle". (Incidentally, the 1 left to it is the coding system, iso-8859-1 in my case)

Related Solutions

Mode-specific emacs keybindings

C mode (and specifically the c-mode-map variable) is provided by a package called cc-mode, not c-mode.

(eval-after-load 'cc-mode
  '(define-key c-mode-map (kbd "C-<f12>") 'compile))

For your other method, as vschum has already answered, you're missing the argument list in your defun. Furthermore, c-mode-common-hook isn't the right place for this: it's executed each time you enter C mode. The right time to add your binding is when C mode loads; you can do that either through the general eval-after-load mechanism as above, or through c-initialization-hook:

(defun my-c-mode-common-hook ()
  (define-key c-mode-map (kbd "C-<f12>") 'compile))
(add-hook 'c-initialization-hook 'my-c-mode-common-hook)

Emacs dedicated completion window

Eventually I was able to get what I wanted with the following in my .emacs file.

(progn
  (interactive)
  (split-window-horizontally)
  (other-window 1)
  (split-window)
  (other-window 1)
  (eshell)
  (other-window 1)) ;; finally change back to scratch window



;; open temporary buffers in a dedicated window split
(setq special-display-regexps
        '("^\\*Completions\\*$"
          "^\\*Help\\*$"
          "^\\*grep\\*$"
          "^\\*Apropos\\*$"
          "^\\*elisp macroexpansion\\*$"
          "^\\*local variables\\*$"
          "^\\*Compile-Log\\*$"
          "^\\*Quail Completions\\*$"
          "^\\*Occur\\*$"
          "^\\*frequencies\\*$"
          "^\\*compilation\\*$"
          "^\\*Locate\\*$"
          "^\\*Colors\\*$"
          "^\\*tumme-display-image\\*$"
          "^\\*SLIME Description\\*$"
          "^\\*.* output\\*$" ; tex compilation buffer
          "^\\*TeX Help\\*$"
          "^\\*Shell Command Output\\*$"
          "^\\*Async Shell Command\\*$"
          "^\\*Backtrace\\*$"))
(setq grb-temporary-window (nth 1 (window-list)))
(defun grb-special-display (buffer &optional data)
  (let ((window grb-temporary-window))
    (with-selected-window window
      (switch-to-buffer buffer)
      window)))
(setq special-display-function #'grb-special-display)

I found what I needed in this .emacs file on github.

https://github.com/garybernhardt/dotfiles/blob/master/.emacs

Best Answer

Related Solutions

Mode-specific emacs keybindings

Emacs dedicated completion window

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