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List:       kde-core-devel
Subject:    Re: for all XEmacs users
From:       David Faure <faure () kde ! org>
Date:       1999-11-25 0:47:07
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Excellent, thanks.

On Thu, Nov 25, 1999 at 01:39:45AM +0100, Dirk A. Mueller wrote:
> Hi, 
> 
> XEmacs (probably also Emacs, don't know) per default can't trim trailing
> spaces from lines, like all other editors do. Especially if you reformat
> your source using XEmacs and somebody who's using a different editor
> commits a change to the file, he also commits many lines that only have a
> change in the amount of white space, nothing more. 
> 
> The next time a XEmacs user edits the file, there are again many lines with
> only changes in the amount of white space. 
> 
> You see the problem, it makes reading diffs more difficult and
> produces unnecessarily high delta's between revisions on the CVS server. 
> 
> A few weeks ago I found a nice elisp hook (.emacs from agulbra@troll.no)
> that forces XEmacs to trim the lines while loading. I adopted it to do that
> during saving, as it makes more sense there. 
> 
> So, please, everybody who uses XEmacs, please add the following lines to
> your ~/.emacs: 
> 
> (defun agulbra-clean-out-spaces ()
>   "Remove spaces at ends of lines"
>   (interactive)
>   (and ;;(eq major-mode 'c++-mode)
>        (not buffer-read-only)
>        (save-excursion
>          (goto-char (point-min))
>          (let ((count 0)
>                (bmp (buffer-modified-p)))
>            (while (re-search-forward "  *$" nil t)
>              (setq count (1+ count))
>              (replace-match "" t t))
>            (and (> count 0)
>                 (progn
>                   (set-buffer-modified-p bmp)
>                   (message "Cleaned %d lines" count)))))) nil)
> (add-hook 'write-file-hooks 'agulbra-clean-out-spaces)
> 
> (custom-set-variables
>  '(require-final-newline t)
> ) 
> 
> 
> Thanks in advance. 
> 
> Dirk
> 

-- 
David FAURE
david@mandrakesoft.com, faure@kde.org
http://home.clara.net/faure/
KDE, Making The Future of Computing Available Today

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