if line.dataB and #line.dataB > 0 and line.expanded then

--?   print('#screenlines after A', num_screen_lines)
  if line.dataB and #line.dataB > 0 and (State.expanded or line.expanded) then

    num_screen_lines = num_screen_lines + #line_cache.screen_line_starting_posB - Text.screen_line_indexB(line_cache.screen_line_starting_posB, line_cache.startposB)  -- no +1; first screen line of B side overlaps with A side

--?     print('B:', x, #line_cache.screen_line_starting_posB)
    if line_cache.startposB then
      num_screen_lines = num_screen_lines + #line_cache.screen_line_starting_posB - Text.screen_line_indexB(line_cache.screen_line_starting_posB, line_cache.startposB)  -- no +1; first screen line of B side overlaps with A side
    else
      num_screen_lines = num_screen_lines + #line_cache.screen_line_starting_posB - Text.screen_line_indexB(line_cache.screen_line_starting_posB, 1)  -- no +1; first screen line of B side overlaps with A side
    end

--?   print('#screenlines after B', num_screen_lines)

  if line_index == 1 then print('a') end

  if line_index == 1 then print('b') end

  if line_index == 1 then print('c') end

  if line_index == 1 then print('d') end

  if line_index == 1 then print('e') end

  if line_index == 1 then print('f') end

  if line_index == 1 then print('g') end

  if line_index == 1 then print('h') end

  if line_index == 1 then print('i') end

  if line_index == 1 then print('j') end

  if line_index == 1 then print('k') end

    print('checking', line_index)

      print('in line', #State.line_cache[line_index].screen_line_starting_pos, #State.line_cache[line_index].screen_line_starting_posB)

    Text.redraw_all(State)