[option group]
	short_opt = g
	summary = set group id
	arg_info = required_arg
	arg_type = string
	typestr = groupname
	[help]
		This option sets the group id according to <group>. This option is
		silently ignored if EUID != 0. Otherwise, real/effective GID and the
		saved set-group ID are all set to the GID given by <group>. Must not
		be given in the config file.
	[/help]