NS_RELEASE(it);
HTMLContentSink::ProcessMETATag(const nsIParserNode& aNode){  nsresult rv = NS_OK;  if (nsnull != mHead) {    nsAutoString tmp("META");    nsIAtom* atom = NS_NewAtom(tmp);    nsIHTMLContent* it = nsnull;    rv = NS_NewHTMLMeta(&it, atom) ;    if (NS_OK == rv) {      rv = AddAttributes(aNode, it);      mHead->AppendChild(it, PR_FALSE);    }    NS_RELEASE(atom);  }  return rv;}