code: public void setCellDir(String dir) {
          _cellState.registerAttribute(AbstractHtmlState.ATTR_GENERAL, HtmlConstants.DIR, dir);
      }
docs: Sets the value of the text direction attribute for the HTML table cell.
  
  @param dir the text direction
  @jsptagref.attributedescription The text direction attribute for the HTML table cell.
  @jsptagref.attributesyntaxvalue <i>string_cellDir</i>
  @netui:attribute required="false" rtexprvalue="true" description="The cell's text direction"