No, Input cells need not be "static": you could programmatically rewrite them!
On 5/2/2011 6:52 AM, Sebastian Hofer wrote:
> As far as I am concerned, it is not about reverting the state of the computational state of the session. I am not interested in that. What I am interested in is to undo changes I made to _input_ cells! And this is static text. Without a working undo feature work is lost easily if you don't hit save every other keystroke. Also deleting a bunch of cells happens pretty quickly. I too think that every modern software should provide this feature. And saying that it is a complex task to integrate it into Mathematica sounds like a pretty lame excuse to me.
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