[Vimperator] undo close tab question

[Alex Klinkhamer]

guivho wrote:
> That did not change anything. However, using set! I detected that I had
> browser.sessionstore.enabled=false
> I changed it to true and that did the trick :)
>
> Guido
Thanks, the same thing happened to me after switching to ff3, except my 
browser.sessionstore.enabled was true... the fix was flipping it to 
false and back to true.

Also, I don't remember ever installing TabMixPlus, though it's possible.