Aby toś te dodanki wužywał, musyśo Firefox ześěgnuś.

Pśizjawiś
Dodankowy symbol

Pógódnośenja za Close Window Button

Close Window Button wót nanpuyue

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Pógódnośenja wót Wužywaŕ Firefox 13530813
wót Wužywaŕ Firefox 13530813, pred 8 leti
Works as stated. One little niggle is that it doesn't have the "Are you sure you want to close this window" dialog which sis a little annoying