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TancaComentari del Duplicate Tab per mark84
Rated 5 out of 5 stars
For those wanting an updated version of this, someone has made an updated version called "Duplicate this tab".
Just a straight code copy but with latest browser support.
Link: https://addons.mozilla.org/en-US/firefox/addon/156490/
Per crear les vostres pròpies col·leccions, heu de tenir un compte al Mozilla Add-ons.