/* Call this to report error for your variable that should not get a boolean value (i.e. " var" means "true").  */
int config_error_nonbool(const char *var)
/* Call this to report error for your variable that should not get a boolean value (i.e. " var" means "true").  */
int config_error_nonbool(const char *var)
{
	return error("Missing value for '%s'", var);
}