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From: Rob Stewart (stewart_at_[hidden])
Date: 2002-09-09 10:01:11

From: Douglas Gregor <gregod_at_[hidden]>
> On Monday 09 September 2002 10:16 am, David Abrahams wrote:
> > Emacs can do anything.
> Actually, would anyone have a bit 'o' elisp to untabify a file when it's
> saved? That would make it rather impossible for Emacs users to add tabs to
> Boost sources :)

Try this (inherited; I'm no elisper):

;; To make sure that TAB file-characters are stripped out of files before
;; writing to disk
(defun c++-mode-untabify ()
    (goto-char (point-min))
    (while (re-search-forward "[ \t]+$" nil t)
      (delete-region (match-beginning 0) (match-end 0)))
    (goto-char (point-min))
    (if (search-forward "\t" nil t)
        (untabify (1- (point)) (point-max))))

(add-hook 'c++-mode-hook
          '(lambda ()
             (make-local-variable 'write-contents-hooks)
             (add-hook 'write-contents-hooks 'c++-mode-untabify)))

Rob Stewart                           stewart_at_[hidden]
Software Engineer           
Susquehanna International Group, LLP  using std::disclaimer;

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