Re: [Qemu-devel] Patch removing spaces

[malc <av1474@comtv.ru>]

On Mon, 19 May 2008, Blue Swirl wrote:

> On 5/19/08, malc <av1474@comtv.ru> wrote:
>> On Mon, 19 May 2008, Ian Jackson wrote:
>>
>>
>>> Balazs Attila-Mihaly \(Cd-MaN\) writes ("[Qemu-devel] Patch removing
>>>
>>>> spaces"): If anyone is interested: a patch which removes spaces from
>>>> the end of the lines. Compressed because it's rather big.
>>>>
>>>
>>> Please don't apply this patch!
>>>
>>> Spaces at the ends of lines are indeed irritating and we should avoid
>>> them.  But going out of our way to remove them is definitely wrong -
>>> it's reformatting, which is nearly always wrong in Free Software.
>>>
>>>
>>
>>  [..snip..]
>>
>>  Preventive measure that makes the code look sufficiently ugly when
>>  tabs or trailing whitespace is present. Hands almost reflectively
>>  reach for `M-x nuke-trailing-whitespace' and `C-x h M-x untabify'
>
> No match for M-x nuke-trailing-whitespace, where is that?

Oh, i have had it in my elisp collection for so long that forgot that
it's not included in XEmacs (not sure about FSF Emacs)

That's the one i use:

;; whitespace.el --- strip trailing whitespace from buffers
;; Author: Noah Friedman <friedman@prep.ai.mit.edu>
;; Created: 1995-02-11

>>  (defface font-lock-ws-face
>>   '((((class color) (background dark)) (:background "white"))
>>     (((class color) (background light)) (:background "black"))
>>     (t (:bold t)))
>>   "Font Lock mode face used to highlight unwated whitespace."
>>   :group 'font-lock-faces)
>>  (setq font-lock-ws-face 'font-lock-ws-face)
>>
>>  (defun font-lock-mode-hook-fn ()
>>   (setq old-font-lock-keywords font-lock-keywords)
>>   (make-variable-buffer-local 'font-lock-keywords)
>>   (let ((elem
>>          (list
>>           (list "\\([ \t]+$\\)\\|\\(\t\\)"
>>                 (list 0 font-lock-ws-face)))))
>>     (setq font-lock-keywords (append font-lock-keywords elem))))
>>
>>  (add-hook 'font-lock-mode-hook 'font-lock-mode-hook-fn)
>
> Thanks, it's ugly!

You are welcome :)

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