Comment 5 for bug 1289801

$ env | grep ^XDG
XDG_VTNR=7
XDG_SESSION_ID=c6
XDG_GREETER_DATA_DIR=/var/lib/lightdm-data/thuerrsch
XDG_MENU_PREFIX=gnome-
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session2
XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
XDG_CONFIG_DIRS=/etc/xdg/xdg-ubuntu:/usr/share/upstart/xdg:/etc/xdg
XDG_SEAT=seat0
XDG_DATA_DIRS=/usr/share/ubuntu:/usr/share/gnome:/usr/local/share/:/usr/share/
XDG_RUNTIME_DIR=/run/user/1000
XDG_CURRENT_DESKTOP=Unity

$ ls -l /etc/xdg/menus
total 40
drwxr-xr-x 2 root root 4096 Mar 10 17:25 applications-merged
-rw-r--r-- 1 root root 2964 Feb 21 2012 classicmenuindicatorsystem.menu
-rw-r--r-- 1 root root 19337 Feb 12 11:20 gnome-applications.menu
-rw-r--r-- 1 root root 2827 Feb 21 2012 gnomecc.menu
-rw-r--r-- 1 root root 2827 Mar 5 14:02 unitycc.menu
-rw-r--r-- 1 root root 3891 Feb 21 2012 unity-lens-applications.menu