'unroll (___) (repeatedly step from cursor)',

  elseif cmd == 'unroll' then
    command.unroll(args)

end
function command.unroll(rel)
  if rel == nil then
    rel = 'next'
  end
  local pane = Surface[Cursor_pane.col][Cursor_pane.row]
  if Cache[pane.id].links[rel] == nil then
    print(('%s has no %s note'):format(pane.id, rel))
    return
  end
  local column = {name=('%s from %s'):format(rel, pane.id)}
  local curr = pane.id
  while curr do
    local pane = load_pane_from_file(curr)
    table.insert(column, pane)
    curr = Cache[curr].links[rel]
  end
  table.insert(Surface, Cursor_pane.col+1, column)
  Cursor_pane.col = Cursor_pane.col+1
  Cursor_pane.row = 1
  local col_sx = left_edge_sx(Cursor_pane.col)
  if col_sx > Display_settings.x + App.screen.width - Display_settings.column_width then
    Display_settings.x = math.max(0, col_sx + Display_settings.column_width + Margin_right + Padding_horizontal - App.screen.width)
    Display_settings.y = 0
  end
  update_pane_bounds()