function edit.put_cursor_on_next_line_wrapping_around_if_necessary(State)
  local line = State.cursor1.line
  local max = #State.lines
  for _ = 1, max-1 do
    line = (line+1) % max
    if State.lines[line].mode == 'text' then
      State.cursor1.line = line
      State.cursor1.pos = 1
      break
    end
  end
end
function edit.put_cursor_on_next_loc_wrapping_around_if_necessary(State)
  local cursor_line = State.lines[State.cursor1.line].data
  if State.cursor1.pos <= utf8.len(cursor_line) then
    State.cursor1.pos = State.cursor1.pos + 1
  else
  end
end