nsTextNode* it = new nsTextNode(aOwnerDocument);
nsTextNode* it = new nsTextNode(nsnull);
nsTextNode::CloneContent(PRBool aCloneText, nsIDocument *aOwnerDocument){  nsTextNode* it = new nsTextNode(aOwnerDocument);  if (!it)    return nsnull;  if (aCloneText) {    it->mText = mText;  }  NS_ADDREF(it);  if (aOwnerDocument && !aOwnerDocument->AddOrphan(it)) {    NS_RELEASE(it);  }  return it;}