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tumiki 12-12-2012 06:01 AM
[Emacs] (setq indent-tabs-mode t) not working
 
Hello Group,

version: emacs23 23.2+1-7

I am trying to get Emacs to write a TAB instead of spaces when hitting the [tab] key. I have my .emacs configured as follows.

Code:

;; C-mode
(defun my-c-mode-hook ()
    (setq c-basic-offset 4)
    (setq indent-tabs-mode t)
    (local-set-key (kbd "RET") 'newline-and-indent))

(add-hook 'c-mode-hook 'my-c-mode-hook)
While in c-mode, Emacs inserts 4 spaces when hitting the [tab] key. Is there anything else that needs to be added on the configuration?

Regards,
Tumiki

ntubski 12-12-2012 10:25 AM
You also have to set tab-width to 4, otherwise Emacs will only put a tab when you have 8 spaces of indentation.

tumiki 12-12-2012 04:33 PM
Hello ntubski,

Thank you for your reply. I added that statement on my .emacs but Emacs still writes 4 four spaces.

Code:
;; C-mode
(defun my-c-mode-hook ()
    (setq  tab-width 4)
    (setq c-basic-offset 4)
    (setq indent-tabs-mode t)
    (local-set-key (kbd "RET") 'newline-and-indent))

(add-hook 'c-mode-hook 'my-c-mode-hook)

; I also tried
; (add-hook 'c-mode-common-hook 'my-c-mode-hook)
Regards,
Tumiki

ntubski 12-18-2012 10:55 AM
Quote:
Originally Posted by tumiki (Post 4848043)
I added that statement on my .emacs but Emacs still writes 4 four spaces.
I can't reproduce your problem. Maybe you have other things in your .emacs that affect these settings? Did you remember to apply the settings after adding them (either by evaluating the code & re-entering C mode, or restarting Emacs)?


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