/src/main/java/org/htmlunit/html/HtmlElement.java
super( namespaceURI, qualifiedName, page) ;
super ( namespaceURI, qualifiedName, page, attributes ) ;
protected HtmlElement(final String qualifiedName, final SgmlPage page, final Map<String, DomAttr> attributes) { this(Html.XHTML_NAMESPACE, qualifiedName, page, attributes); } protected HtmlElement(final String namespaceURI, final String qualifiedName, final SgmlPage page, final Map<String, DomAttr> attributes) { <extra_id_0> } @Override protected void setAttributeNS(final String namespaceURI, final String qualifiedName, final String attributeValue, final boolean notifyAttributeChangeListeners, final boolean notifyMutationObservers) { if (null == getHtmlPageOrNull()) {