code: public Table newRow()
      {
          unnest();
          nest(row = new Block("tr"));
          if (_defaultRow!=null)
          {
              row.setAttributesFrom(_defaultRow);
              if (_defaultRow.size()>0)
                  row.add(_defaultRow.contents());
          }
          cell=null;
          return this;
      }
docs: Create new table row.
  Attributes set after this call and before a call to newCell or
  newHeader are considered row attributes.