func unknownText(reason string, text string) error { return errutil.Func(func() string { return fmt.Sprintf("%s unknown text %v", reason, text) }) }
func unknownKeyValue(reason, key, value string) error { return errutil.Func(func() string { return fmt.Sprintf("'%s' unknown key-value '%v'='%v'", reason, key, value) }) }