[Haskell-cafe] emacs haskellers: r-stripping files becomes popular

[Conal Elliott]

why care about trailing whitespace?

On Nov 16, 2007 8:14 AM, Valery V. Vorotyntsev <valery.vv at gmail.com> wrote:

> Add the following lines to your ~/.emacs:
>
> ------- BEGIN OF ELISP CODE -------
> ;(global-set-key (kbd "<f9> s") 'delete-trailing-whitespace)
>
> (defun delete-trailing-whitespace-if-confirmed ()
>  "Delete all the trailing whitespace across the current buffer,
> asking user for confirmation."
>  (if (and (save-excursion (goto-char (point-min))
>                           (re-search-forward "[[:space:]]$" nil t))
>           (y-or-n-p "Delete trailing whitespace? "))
>      (delete-trailing-whitespace)))
>
> (add-hook 'before-save-hook 'delete-trailing-whitespace-if-confirmed)
> ------- END OF ELISP CODE -------
>
> Have fun!
>
> --
> vvv
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