https://mail.gnome.org/archives/commits-list/2012-November/msg06411.html
[mutter/wip/barriers-try-2: 2/8] display: Add spew for XI2
mutterwipbarrierstry
https://gv.wikipedia.org/wiki/Xi2_Sagittarii?action=edit&redlink=1
Croo Xi2 Sagittarii - Wikipedia
wikipedia