nsresult rv = nsGenericHTMLContainerElement::GetAttr(kNameSpaceID_None, nsHTMLAtoms::target, aValue);
nsresult rv = GetAttr(kNameSpaceID_None, nsHTMLAtoms::target, aValue);
nsHTMLFormElement::GetTarget(nsAString& aValue){  aValue.Truncate();  nsresult rv = nsGenericHTMLContainerElement::GetAttr(kNameSpaceID_None,                                                       nsHTMLAtoms::target,                                                       aValue);  if (rv == NS_CONTENT_ATTR_NOT_THERE) {    rv = GetBaseTarget(aValue);  }  return rv;}