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Internet Message Format
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1994-08-27
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615b
Date: Wed, 1 Jun 94 16:33:50 MSZ
From: Ulrich=Rossgoderer%Assistenten%iwbDornach@idefix.iwb.mw.tu-muenchen.de
Subject: Re: Proposal
To: gem-list@world.std.com
Precedence: bulk
>> Undo - Undo Last op
>> CTRL Undo - Redo last op
>Why? Hasn't it the same effect to press Undo twice (Undo Undo)?
Imagine an object oriented drawing application. You have just moved one
object by a certain offset. The difference between Undo and Redo is:
- Redo moves the object using the same offset as the action before
- Undo moves the object with negative offsets.
Have a nice day,
Uli