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