# OK (tab after = is part of the value)
key01 = Value 01
# Error (tab before =)
key02 = Value 02
# Error (tab is not a valid indent)
key03 =
This line isn't properly indented.
# Partial Error (tab is not a valid indent)
key04 =
This line is indented by 4 spaces,
whereas this line by 1 tab.