Yettwasezmel 4 ɣef 5 n yetran

sɛur Andrew Williamson di Aug. 22, 2007 · aseɣwen yezgan

The name of the add-on down plays the functionality a little I feel - I was surprised it does more than just simply duplicate the current tab.
I found the context menu settings a little confusing where you have to deselect the checkbox to change the sub-options though.