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Old 05.12.2017, 13:40
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Jiaz Jiaz is offline
JD Manager
Join Date: Mar 2009
Location: Germany
Posts: 60,451

Didn't find a way for Opera, but Firefox should be able to do this
Firefox has option in about:config to disable it
browser.tabs.closeWindowWithLastTab (Value: false)
JD-Dev & Server-Admin
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