protected void verifyForm(final CreateForm form) {
        if (form.token != null && form.token.split(" ").length > 1) {
            throwValidationError(messages -> {
                messages.addErrorsInvalidKuromojiToken("token", form.token);
            }, this::asEditHtml);
        }
        if (form.segmentation != null && form.reading != null && form.segmentation.split(" ").length != form.reading.split(" ").length) {