ownerDocument.checkQName(null, localName); prefix = qname.substring(0, colon1); localName = qname.substring(colon2+1); ownerDocument.checkQName(prefix, localName); ownerDocument.checkDOMNSErr(prefix, namespaceURI);
ownerDocument.checkQName(null, localName); if (qname.equals("xmlns") && (namespaceURI == null ownerDocument.checkQName(prefix, localName); ownerDocument.checkDOMNSErr(prefix, namespaceURI);