nl_tokens: Builds a row group from input parameters
pl_tokens: function rowgroup ( <mask> , name ) { return items . map ( ( [ htmlterm , ariaterm ] , i ) => { htmlcount += htmlterm . split ( ', ' ) . length ariacount += ariaterm . split ( ', ' ) . length return tr ( [ ! i && th ( { rowSpan : items . length , children : name , } ) , td ( htmlterm ) , td ( ariaterm ) ] ) } ) }