[option config-file]
	short_opt = c
	summary = path to alternative config file
	arg_info = required_arg
	arg_type = string
	typestr = filename
	[help]
		default: DEFAULT_CONFIG_FILE()

		PROGRAM() reads its config file right after parsing the options that
		were given at the command line. If an option is given both at the
		command line and in the config file, the value that was specified at
		the command line takes precedence.
	[/help]