// Use LANG environment variable to choose locale pref("intl.locale.requested", ""); // Use system-provided dictionaries pref("spellchecker.dictionary_path", "/usr/share/hunspell"); // Disable default mailer checking pref("mail.shell.checkDefaultMail", false); // Don't disable our bundled extensions in the application directory pref("extensions.autoDisableScopes", 11); pref("extensions.shownSelectionUI", true); // Disable telemetry pref("datareporting.healthreport.uploadEnabled", false); pref("datareporting.policy.dataSubmissionEnabled", false); pref("toolkit.telemetry.archive.enabled", false);