/src/main/java/org/htmlunit/html/HtmlSelect.java
if ( newNames_.isEmpty( ) ) {   newNames_ = new HashSet<>( ) ; }
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@Override protected void setAttributeNS(final String namespaceURI, final String qualifiedName, final String attributeValue, final boolean notifyAttributeChangeListeners, final boolean notifyMutationObservers) { final String qualifiedNameLC = org.htmlunit.util.StringUtils.toRootLowerCase(qualifiedName); if (DomElement.NAME_ATTRIBUTE.equals(qualifiedNameLC)) { if (newNames_.isEmpty()) { <extra_id_0> } newNames_.add(attributeValue); } super.setAttributeNS(namespaceURI, qualifiedNameLC, attributeValue, notifyAttributeChangeListeners, notifyMutationObservers); }