>>> "EB" == Emanuel Berg <incal@dataswamp.org> writes:

> tpeplt wrote:
>> Emacs 28 added the function ‘replace-string-in-region’.
>> 
>> (defun my-delete-all-whitespace-region (beg end)
>> (interactive "r")
>> (save-excursion
>> (replace-string-in-region " " "" beg end)))

> (defun delete-all-whitespace (&optional beg end)
>   (interactive
>     (when (use-region-p)
>       (list (region-beginning) (region-end)) ))
>   (or beg (setq beg (point-min)))
>   (or end (setq end (point-max)))
>   (save-mark-and-excursion
>     (replace-string-in-region " " "" beg end) ))

> A pretty fancy interface to a one-liner function with
> hardcoded data :)

Right, but well I would only use this function region wide never on the
whole buffer. That is why I prefer *(interactive "r")*

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