$newline never
<div .massinput-list__wrapper>
  $forall coord <- review liveCoords lLength
    <div .massinput-list__cell .massinput__cell>
      <div .massinput-list__field>
        ^{cellWdgts ! coord}
      <div .massinput-list__delete>
        ^{fvWidget (delButtons ! coord)}
  <div .massinput-list__add .massinput__cell .massinput__cell--add>
    ^{addWdgts ! (0, 0)}