The detachable toolbars are only for bonobo components + some other odd cases. Upstream has floated the idea of removing the preference entirely. see http://mail.gnome.org/archives/desktop-devel- list/2006-July/msg00810.html
-- The toolbar isn't detachable https://launchpad.net/bugs/55587 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
