Rocker (Hold Left, Press Right) w/ Open Link in New Tab (Background Tab)
if you let go of the left button before letting go of the right button not only will the new link open in a background tab, but it will also open in the current foreground tab. Thus two actions are done. It seems independent of the the time between letting go of the left button and letting go of the right.
When using this combination:
Rocker (Hold Left, Press Right) w/ Open Link in New Tab (Background Tab)
if you let go of the left button before letting go of the right button not only will the new link open in a background tab, but it will also open in the current foreground tab. Thus two actions are done. It seems independent of the the time between letting go of the left button and letting go of the right.