def warn( key )
if @first_time
@io.puts "---------------------------------------------------------------------------\nThe Loquacious configuration system has detected that one or moe\nsettings have an undefined value. An attempt is being made to reference\nsub-properties of these undefined settings. Messages will follow containing\ninformation about the undefined properties.\n---------------------------------------------------------------------------\n"
@first_time = false
end
@io.puts "Access to undefined value #{key.first.inspect}: #{key.join('.')}"
end