NS_NOTYETIMPLEMENTED("write me!"); return NS_ERROR_UNEXPECTED;
NS_NOTYETIMPLEMENTED("nsSVGMatrix::FlipY"); return NS_ERROR_NOT_IMPLEMENTED;
NS_IMETHODIMP nsSVGMatrix::FlipY(nsIDOMSVGMatrix **_retval){  NS_NOTYETIMPLEMENTED("write me!");  return NS_ERROR_UNEXPECTED;}