ส่วนเสริม
เกี่ยวกับส่วนเสริมนี้
Adds a Config button, opens about:config (aka Config Editor or Advanced Preferences) in a tab.
Version 2 always opens about:config in a tab, an option to open about:config in a dialog may be added later.
Version 2 always opens about:config in a tab, an option to open about:config in a dialog may be added later.
