[_m3]

Bookmarks:

. Once you have backed it up, open the prefs.js file in your profile directory and add the correct line or lines, which should have the form:

user_pref("foo.bar.baz", "somevalue");

or

user_pref("foo.bar.baz", true);

for on/off preferences. When you have finished editing, restart Mozilla.

http://www.mozilla.org/releases/mozilla0.9.4/#setprefs