AB_padding = 20  -- space in pixels between A side and B side

    button('expand', {x=x+2*App.width(State.em), y=y+2, w=App.width(State.em), h=State.line_height-4, color={1,1,1},

    button('expand', {x=x+AB_padding, y=y+2, w=App.width(State.em), h=State.line_height-4, color={1,1,1},

  overflows_screen, x, y, pos, screen_line_starting_pos = Text.draw_wrapping_lineB(State, line_index, x+2*App.width(State.em),y, 1)

  overflows_screen, x, y, pos, screen_line_starting_pos = Text.draw_wrapping_lineB(State, line_index, x+AB_padding,y, 1)