NS_IMETHODIMP nsSVGRect::SetX(float aX) { WillModify(); mX = aX; DidModify(); return NS_OK; }
NS_IMETHODIMP SetX(float) { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; }
NS_IMETHODIMP nsSVGRect::SetX(float aX){  WillModify();  mX = aX;  DidModify();  return NS_OK;}