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Re: About write-contents-functions in pre-test 24.0.95.1
From: |
PJ Weisberg |
Subject: |
Re: About write-contents-functions in pre-test 24.0.95.1 |
Date: |
Tue, 17 Apr 2012 15:44:33 -0700 |
On Tue, Apr 17, 2012 at 8:50 AM, Chming <address@hidden> wrote:
> Hello,
>
> I am using the following codes to untabify code in c mode.
>
> ;; Untabify when saving
> (defun ska-untabify ()
> (save-excursion
> (goto-char (point-min))
> (when (search-forward "\t" nil t)
> (untabify (1- (point)) (point-max)))
> nil))
Why not just:
(defun ska-untabify ()
(untabify (point-min) (point-max)))
?
As written it seems like it's trying to make sure it doesn't remove
any tabs that occur before the first tab, which is a little silly. ;-)
> (defun saving-untabify ()
> (add-hook 'write-contents-functions 'ska-untabify nil t))
> (add-hook 'c-mode-common-hook 'saving-untabify)
>
> Right now when I try this on the latest version, it looks like it will
> remove all tabs in makefile mode. My understanding is this func only
> works on cc-mode. Is that correct to use write-contents-functions in
> this way?
I think before-save-hook is a better place for functions like this.
-PJ
Gehm's Corollary to Clark's Law: Any technology distinguishable from
magic is insufficiently advanced.