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I get the impression that you think auto-save saves a complete snapshot of the document. If this were true, then it is indeed hard to see how undo will work. Here's what really happens: each time the user performs an action, that action is saved locally (on the person's machine). You referred to this as a logical chunk. When the auto-save kicks in, all of ...


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Autosave is popular for Web apps because for various reasons, but one important one is the unreliability of the client-server interface. HTTP request responses may time out, websockets may disconnect, or the user may simply hit a button and navigate off the page or close the browser by accident. Engineering for autosave is non trivial. Often, enterprise ...


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I'm not very familiar with web application development, but I can tell you that most desktop applications use the command design pattern. This actually means that every user action is saved in such a way that it can be executed and reverted at any time. Applying these actions in a sequence gives you the state of the application. I would assume web ...



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