/src/main/java/org/htmlunit/html/HtmlButton.java
customValidity_ = newValue;
customValidity_ = message;
} return !isDisabled() && (hasFeature(HTMLBUTTON_WILL_VALIDATE_IGNORES_READONLY) || !isReadOnly()); } @Override public void setCustomValidity(final String message) { <extra_id_0> } @Override public boolean isCustomErrorValidityState() { return !StringUtils.isEmpty(customValidity_); } @Override