-- cursor moves to end of screen line (one more than final character shown)
  check_eq(Editor_state.cursor1.pos, 13, 'cursor:pos')
  -- cursor moves to end of screen line (one more than final character shown)
  check_eq(Editor_state.cursor1.pos, 13, 'cursor:pos')
  -- cursor moves to end of screen line (one more than final character shown)
  check_eq(Editor_state.cursor1.pos, 21, 'cursor')
end
function test_select_text()
end
function test_click_past_end_of_wrapping_line()
  check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
end
function test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen()
  check_eq(Editor_state.cursor1.line, 1, 'cursor:line')

        return line_cache.screen_line_starting_pos[screen_line_index+1]
      end