check_nil(Selection1.line, 'F - test_click_with_mouse/selection is empty to avoid perturbing future edits')

function test_edit_after_click_resets_selection()
  io.write('\ntest_edit_after_click_resets_selection')
  -- display a line of text
  App.screen.init{width=75, height=80}
  Lines = load_array{'abc'}
  Margin_right = 0; Margin_width = Margin_left
  Cursor1 = {line=1, pos=1}
  Screen_top1 = {line=1, pos=1}
  Screen_bottom1 = {}
  App.draw()
  -- click past the end of it and hit enter
  App.run_after_mouse_click(Margin_left+40,Margin_top+5, 1)
  check(Selection1.line, 'F - test_edit_after_click_resets_selection/baseline')
  App.run_after_keychord('return')
  -- selection is reset since shift key is not pressed
  check_nil(Selection1.line, 'F - test_edit_after_click_resets_selection')
end

        -- delicate dance between cursor, selection and old cursor
        -- manual tests:

        -- delicate dance between cursor, selection and old cursor/selection
        -- scenarios:

          if eq(Cursor1, Selection1) then
            Selection1 = {}
          end