* do not throw error when .service file is linked to /dev/null
* read /etc/locale, and export LANG= and friends to started services
+ allow overwrite of setting by kernel commandline: locale.LANG=, ...
* ABI: tcpwrap "legacy", disable D-Bus export if not compiled-in
* emergency.service should start default.target after C-d.
+* support dbus introspection in mid-level object paths, i.e. in /org/freedesktop/systemd/units/.
+
External:
* place /etc/inittab with explaining blurb.