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Re: UNDO and Mathematica - how useless

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  • Subject: [mg98601] Re: UNDO and Mathematica - how useless
  • From: David Bailey <dave at>
  • Date: Tue, 14 Apr 2009 06:14:38 -0400 (EDT)
  • References: <> <> <grpict$lku$>

dbreiss at wrote:
> The backup functions in A WorkLife FrameWork are certainly a help here
> (also note that there is a cell level backup functton there as well).
> But it is not quite the solution needed for basic editing and textual
> input.
> But I think that a basic Undo functionality in Mathematica is
> essential.  

People have been asking for this for years, but WRI seems to have a 
complete blind spot in this matter :(

In practice, a single-level UNDO is nearly useless, because of the 
uncertainty as to what constitutes a 'level' - particularly in the 
context of a complicated product like Mathematica.

I would have thought UNDO is feasible for any non-output cell that does 
not contain Dynamic elements - plus perhaps a few other reasonable 

David Bailey

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