lightdm.conf documentation

[Lars Nooden]

This might not be specific to Lubuntu since the other Ubuntus now use 
lightdm, but where is there documentation about all the options/directives 
that can be used to configure Lightdm?  Looking around the net, I find 
specific howtos or shorter writeups of specific functions but nothing 
which gives a complete coverage of all the options.  Even the man page for 
lightdm.conf(5) is missing and the man page for lightdm(1) is nearly 
empty.  Where should I look for the details of lightdm.conf?

Regards,
/Lars