Sometimes I need to open a new window and want it to be a duplicate of the window already open. How do I do that?
Sometimes I need to open a new window and want it to be a duplicate of the window already open. How do I do that?
Sometimes I need to open a new window and want it to be a duplicate of the window already open. How do I do that?
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Clone Window extension - will also Clone a Tab: http://www.pikey.me.uk/mozilla/?addon=cw