content->GetTag(*getter_AddRefs(atom));
content->GetTag(getter_AddRefs(atom));
nsDocumentEncoder::IsTag(nsIDOMNode* aNode, nsIAtom* aAtom){  if (aNode)  {    nsCOMPtr<nsIAtom> atom;    nsCOMPtr<nsIContent> content = do_QueryInterface(aNode);    if (content)      content->GetTag(*getter_AddRefs(atom));    if (atom)    {      if (atom.get() == aAtom)      {        return PR_TRUE;      }    }  }  return PR_FALSE;}