Re: "undo" really can replace "redo"

[Eli Zaretskii]

> Date: Mon, 23 Feb 2004 13:21:36 +0800 (CST)
> From: "niDapeng"<steveneo@21cn.com>
> 
> I know Emacs use "killing-ring" concept to cicle undo, and 'redo' operation 
> is implicitly done under this cicle.

No, Emacs has a special "M-x undo" command (bound to "C-x u" and "C-_").

> For instance, if my current killing-ring size is 200, I try to undo last the 
> 40th step operation, but, unfortunately, I undo 41 times. At this case, I 
> have 2 choices, one is keep undoing until the cycle is back(so boring, and I 
> have to very careful to prevent next mistake). Another way, is I manually to 
> mend the 41th operation(maybe type some text again). 

Try "Edit->Select and Paste" from the menu bar, it gives you random
access to the kill ring.