_: ''
  user_pref("content.notify.ontimer", true);
  user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
  user_pref("svg.context-properties.content.enabled", true);
  user_pref("uc.tweak.popup-search", true);
  user_pref("xpinstall.signatures.required", false);
''
