lightdm-gtk-greeter shows the languages that lightdm feeds it with. It should be the same list as you see if you run
/usr/share/language-tools/language-options
from a terminal window. I'm not able to reproduce the behavior you reported. Are you?
Which versions of lightdm and accountsservice do you have? (I have lightdm 1.4.0-0ubuntu2 and accountsservice 0.6.21-6ubuntu5.)
lightdm-gtk-greeter shows the languages that lightdm feeds it with. It should be the same list as you see if you run
/usr/ share/language- tools/language- options
from a terminal window. I'm not able to reproduce the behavior you reported. Are you?
Which versions of lightdm and accountsservice do you have? (I have lightdm 1.4.0-0ubuntu2 and accountsservice 0.6.21-6ubuntu5.)