Rollback or undo in list widgets

[Pupeno]

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I have a short discution with Aaron Seigo on irc about having a rollback or 
undo function in the widgets that offer some kind of selections, like 
KComboBox.
This could be just a rollback or an undo with steps (but I don't know if the 
later is a good idea, I think it wouldn't be so hard to implement, but I 
think it won't be very usefull either and can have serious memory 
consumptions problems, I think).
So, what do you think about this feature ?
Just an idea...
See you!
- -- 
Pupeno: pupeno at pupeno.com
http://www.pupeno.com
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