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Re: UNDO and Mathematica - how useless

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98601] Re: UNDO and Mathematica - how useless
  • From: David Bailey <dave at removedbailey.co.uk>
  • Date: Tue, 14 Apr 2009 06:14:38 -0400 (EDT)
  • References: <200903251042.FAA24502@smc.vnet.net> <200904090955.FAA06846@smc.vnet.net> <grpict$lku$1@smc.vnet.net>

dbreiss at gmail.com 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 
restrictions.

David Bailey
http://www.dbaileyconsultancy.co.uk


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