NS_IMETHOD ParseAttributeString(const nsString& aStr,
NS_IMETHOD ParseAttributeString(const nsAReadableString& aStr,
  NS_IMETHOD ParseAttributeString(const nsString& aStr,                                   nsIAtom*& aName,                                  PRInt32& aNameSpaceID)    { aName = nsnull;      aNameSpaceID = kNameSpaceID_None;      return NS_OK;     }