[paggle]

I tried it and got an “Undo Typing” confirmation. Did you?

[saagarjha]

You get that and then accepting it deletes a large portion of the text.

[KukicAdnan]

That's what Undo Typing does...

[pegasus]

He's complaining that Undo is overly agressive, given that there's no (obvious) redo function.