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From: Joe Corneli <jcorneli@math.utexas.edu>
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Subject: what is the point of point-min?
Date: Wed, 27 Aug 2003 18:40:30 -0500
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Here is a handy rebinding of <delete> that I found on the web.

(global-set-key [delete] 
	 (lambda () (interactive) 
		   (if mark-active
		             (kill-region (point) (mark)) 
		     (delete-char 1)))) 


and here is an alternative suggestion with one small change that I do
not fully understand.  Why would this be better?

(global-set-key [delete] 
	 (lambda () (interactive)
		   (if mark-active
		             (kill-region (point) (mark)) 
		     (delete-char (point-min)))))