[good]
a.a = yes
a.b = "true"
b.a = no
b.b = "off"
c.a = on
c.b = "yes"
d.a = off
d.b = "false"
e.a = true
e.b = "on"
f.a = false
f.b = "no"

[bad]
caps = YES
leading_space = " yes"
trailing_space = "yes "
fake = untrue
fake2 = disabled