void RegisterTagHandler(nsAutoString *aTagName,nsITagHandler *aTagHandler){ aTagHandler->SetString(aTagName);
void RegisterTagHandler(nsITagHandler *aTagHandler){
  void RegisterTagHandler(nsAutoString *aTagName,nsITagHandler *aTagHandler){    aTagHandler->SetString(aTagName);    mTagHandlerDeque.Push(aTagHandler);  }