Option to close tab with no history using backspace

[Se777en]

Request: 

Option to press backspace to close tab that has no further history OR only history of homepage. When tab is closed using this option, you would be directed back the last previously active tab.  

This is useful for when you open a link in a new tab but you would like to go back to the previous tab where the new tab was opened. This was possible with an addon, Back to Close WE, but stopped working with one of the updates.

[kelimuttu]

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