/src/main/java/org/htmlunit/html/DomElement.java
if ( attributes != null) {
if ( qualifiedName != null ) {
protected boolean isAttributeCaseSensitive() { return true; } @Override public final String getAttributeNS(final String namespaceURI, final String localName) { final String qualifiedName = getQualifiedName(namespaceURI, localName); <extra_id_0> return getAttribute(qualifiedName); } return ATTRIBUTE_NOT_DEFINED; } @Override public DomAttr getAttributeNode(final String name) {