No, it's not possible. It's possible in Ubuntu's Firefox and Debian's Iceweasel packages because of a patch which adds this support. In official Mozilla builds, lockPref only works in mozilla.cfg. See bug 440908.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1081015 Title: lockPref() in /etc/thunderbird/syspref.js is not working To manage notifications about this bug go to: https://bugs.launchpad.net/thunderbird/+bug/1081015/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
