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CloseDeveloper reply by Fredrik Savje
Rated 3 out of 5 stars
Works fine, except there needs to be a hotkey for really closing a window. File > Quit works, but what about with popups that don't have a menubar? I looked at an image on Amazon that opened in a popup. I had to disable the addon, and restart Firefox in order to close that one popup. Maybe a hotkey like holding down Control while clicking on the X could actually close windows? I might be missing something. Other than that, this extension is exactly what I'm looking for.
This is a very good idea! I'll try to implement it in the next version.
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