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You want to use about:config. More details on it are at https://support.mozilla.org/en-US/questions/967266 https://support.mozilla.org/en-US/questions/967266
by ecaron 13y ago
You want to use about:config. More details on it are at https://support.mozilla.org/en-US/questions/967266 https://support.mozilla.org/en-US/questions/967266