It wasn't a "demo", it was the real thing. Everything worked. Right, there was only one level of undo, but going from 0 to 1 was a bigger step than going from 1 to n. And Apple may want to leave some innovation to third party developers, it wouldn't be a good practice to make a perfect product for release 1.
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It wasn't a "demo", it was the real thing. Everything worked. Right, there was only one level of undo, but going from 0 to 1 was a bigger step than going from 1 to n. And Apple may want to leave some innovation to third party developers, it wouldn't be a good practice to make a perfect product for release 1.