User_pref('browser.rights.3.shown', true) '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') User_pref('browser.history_expire_days_min', 29) User_pref('browser.history_expire_days.mirror', 180) User_pref('_button.showUpdateHistory', false) * To make a manual change to preferences, you can visit the URL * the changes will be overwritten when the application exits. * If you make changes to this file while the application is running, > Have a look yourself in prefs.js at the numerous entries under

> What are the prefs.js entries to make these printers have previews? > 'choked' the preview function of the current printer. > any longer but whose entries were still in prefs.js and obviously In my case these were printers that didn't exist

Firefox os x print content from gmail