$newline never
<table>
  <tbody>
    $forall coord <- review liveCoords lLength
      <tr .massinput__cell>
        ^{cellWdgts ! coord}
        <td>
          ^{fvWidget (delButtons ! coord)}
  <tfoot>
    <tr .massinput__cell.massinput__cell--add>
      ^{addWdgts ! (0, 0)}