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Re: Making code more Emacs Lisp-like


From: Sarir Khamsi
Subject: Re: Making code more Emacs Lisp-like
Date: Mon, 02 Nov 2009 15:17:41 -0700
User-agent: Gnus/5.101 (Gnus v5.10.10) Emacs/22.2 (windows-nt)

Joseph Brenner <address@hidden> writes:

> For example, if you look up "set-mark", there's an example that's
> easily adapted to what you're doing here:
>
>>     (set-mark (+ (point) 1))              ; save the current position
>>     (beginning-of-line)
>>     (kill-region (point) (mark))
>
> Would become:
>
>    (let ((beg (point)))
>       (beginning-of-line)
>       (delete-region beg (point)))

Thanks, this looks better.

> The goal there is to avoid messing with the kill-ring or the mark
> history if that's not necessary.  Otherwise you may surprise the
> user with the unwanted side-effects.

save-excursion is supposed to "Save point, mark, and current buffer;
execute BODY; restore those things" but I understand that you want to
avoid modifying the kill ring. Thanks.

Sarir

-- 
Sarir Khamsi
address@hidden


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