Would you use the search box of Firefox and want the results open in a new tab and not the current tab?
could not be easier:
type "about: config" without quotes into the address bar of Firefox and hit enter.
Then look for the heading " browser.search.openintab " (you can also write in the "filter" to find it quickly) and change the default value "false" with "true".
To change it you can simply double-click on the relevant item (if you use windows).
Below is the result:
Without this restart firefox and test your new feature!
