Preview Personas on menu selection with [ ] (ms) delay.
After we change the number of the [ ], we should do some thing to let it take effect.
1.To restart Firefox --> Changes apply to all the windows.
2.To start new windows without restart --> Changes apply to all the new windows.
3.To uncheck the function and apply, then to check it again and apply --> Changes apply to all the windows.
After we check or uncheck the function, the change would apply to all the windows on instant.
After we change the number of the [ ], we should do some thing to let it take effect. 1.To restart Firefox --> Changes apply to all the windows. 2.To start new windows without restart --> Changes apply to all the new windows. 3.To uncheck the function and apply, then to check it again and apply --> Changes apply to all the windows.
After we check or uncheck the function, the change would apply to all the windows on instant.