I there any up to date, comprehensive documentation of wpa_supplicant which describes all possible parameters of wpa_supplicant.conf and it's default values. The man page of wpa_supplicant.conf gives only examples same for every other resources I found on the web.
Comprehensive documentation of wpa_supplicant.conf with description of all parameters and default values
documentation;wpa supplicant
Just found it on the official homepage: http://w1.fi/cgit/hostap/plain/wpa_supplicant/wpa_supplicant.conf