Comment 14 for bug 844039

> The 'Other' login option should be disabled by default, and only enabled if /etc/nsswitch.conf's "passwd"
> is anything other than "compat"

Would actually be good to let the user force the "Other" option even if nsswitch is set to compat and even if the user list is not disabled. Something like:

greeter-force-other

That option will allow to catch corner cases (I am in one such corner case :)