NS_ENSURE_TRUE(mProps, NS_ERROR_UNEXPECTED);
nsStringBundle::GetStringFromID(PRInt32 aID, nsString& aResult){  if (!mProps)    return NS_OK;  NS_ENSURE_TRUE(mProps, NS_ERROR_UNEXPECTED);  nsAutoCMonitor(this);  nsAutoString name;  name.AppendInt(aID, 10);  nsresult ret = mProps->GetStringProperty(name, aResult);#ifdef DEBUG_tao_  char *s = aResult.ToNewCString();  printf("\n** GetStringFromID: aResult=%s, len=%d\n", s?s:"null",          aResult.Length());  delete s;#endif /* DEBUG_tao_ */  return ret;}