TX_IF_RELEASE_ATOM(mLocalName);
    txExpandedName& operator = (const txExpandedName& rhs)    {        mNamespaceID = rhs.mNamespaceID;        TX_IF_RELEASE_ATOM(mLocalName);        mLocalName = rhs.mLocalName;        TX_IF_ADDREF_ATOM(mLocalName);        return *this;    }