GNU bug report logs - #8135
Problem about TAB in emacs23

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: dexter K <dexterkidd <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Problem about TAB in emacs23
Date: Mon, 28 Feb 2011 12:04:51 +0800

[Message part 1 (text/plain, inline)]

Hi everyone
rms says here maybe can help me find out a way to fix my problem.

I have problem in emacs with TAB

I want have a real tab , when I press TAB, it goes like 8 spaces distances..
I did it with this code:
-------

(global-set-key (kbd "TAB") 'self-insert-command)
(setq default-tab-width 8)
(setq tab-width 8)
(setq c-basic-indent 8)

(global-set-key [delete] 'delete-char)
(global-set-key [backspace] 'delete-backward-char)

-------

it works both on windows & mac , the most important is I can delete a whole
tab distances like 8 spaces when I press [BackSpace] key
But it failed again in my Centos ,when I done complie emacs 23.2

Is there any way  to fix  this problem ?
Cause I really dont want delete a tab by press 8 times  backspace  on the
keyboard.
If it is possible , I want change all  modes of emacs to get a REAL TAB, no
more space instead of TAB.
Thanks

[Message part 2 (text/html, inline)]

Message #8 received at 8135 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: dexter K <dexterkidd <at> gmail.com>
Cc: 8135 <at> debbugs.gnu.org
Subject: Re: bug#8135: Problem about TAB in emacs23
Date: Mon, 28 Feb 2011 14:51:19 -0500

dexter K wrote:

> I want have a real tab , when I press TAB, it goes like 8 spaces distances..
> I did it with this code:
> -------
>
> (global-set-key (kbd "TAB") 'self-insert-command)
> (setq default-tab-width 8)
> (setq tab-width 8)
> (setq c-basic-indent 8)
>
> (global-set-key [delete] 'delete-char)
> (global-set-key [backspace] 'delete-backward-char)
>
> -------
>
> it works both on windows & mac , the most important is I can delete a whole
> tab distances like 8 spaces when I press [BackSpace] key
> But it failed again in my Centos ,when I done complie emacs 23.2



This does not look like an Emacs bug, and probably would have been
better suited to the help-gnu-emacs mailing list.

Comments:
1) The default tab-width is 8.
2) There is no `c-basic-indent' variable. Maybe you meant c-basic-offset?
3) delete runs `delete-char' by default.
4) C-h k BACKSPACE tells me that I can customize the behaviour
by setting `backward-delete-char-untabify-method'.

So in Emacs 23.2 I get the behaviour that you want simply with:

(global-set-key (kbd "TAB") 'self-insert-command)
(setq backward-delete-char-untabify-method nil)

Message #13 received at 8135-done <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: 8135-done <at> debbugs.gnu.org
Subject: Re: bug#8135: Problem about TAB in emacs23
Date: Tue, 1 Mar 2011 12:47:41 -0500

dexter K. wrote (on Tue, 1 Mar 2011 at 17:59 +0800):

> Oh man, It works!
> I cant tell you how much I thank you!
> Thanks very very much

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