rv = mDocument->GetBaseTarget(aValue); NS_ENSURE_SUCCESS(rv, rv);
mDocument->GetBaseTarget(aValue);
nsHTMLAnchorElement::GetTarget(nsAString& aValue){  aValue.Truncate();  nsresult rv;  rv = GetAttr(kNameSpaceID_None, nsHTMLAtoms::target, aValue);  if (rv == NS_CONTENT_ATTR_NOT_THERE && mDocument) {    rv = mDocument->GetBaseTarget(aValue);    NS_ENSURE_SUCCESS(rv, rv);  }  return NS_OK;}