-- update the cursor pane either if it's not editable, or
  -- if it was explicitly requested
  return not options.ignore_cursor_pane

  return not options.preserve_screen_top_of_cursor_pane

              plan_draw{ignore_cursor_pane=true}

              plan_draw{preserve_screen_top_of_cursor_pane=true}

            plan_draw{ignore_cursor_pane=true}

            plan_draw{preserve_screen_top_of_cursor_pane=true}