public int createAttribute(int attrNameIndex, int attrURIIndex,
public int createAttribute(int attrNameIndex,
    public int createAttribute(int attrNameIndex, int attrURIIndex,                               int attrValueIndex, boolean specified) {        // create node        int nodeIndex = createNode(NodeImpl.ATTRIBUTE_NODE);        int chunk = nodeIndex >> CHUNK_SHIFT;        int index = nodeIndex & CHUNK_MASK;        setChunkIndex(fNodeName, attrNameIndex, chunk, index);        setChunkIndex(fNodeURI, attrURIIndex, chunk, index);        setChunkIndex(fNodeValue, specified ? 1 : 0, chunk, index);        // append value as text node        int textNodeIndex = createTextNode(attrValueIndex, false);        appendChild(nodeIndex, textNodeIndex);        // return node index        return nodeIndex;    } // createAttribute(int,int,boolean):int