old_contents:         s = '''
          file lines count: {cnt}
          option_int: {i}
          option_bool: {b}
          '''.format(
               cnt = ed.get_line_count(),
               i = option_int,
               b = option_bool,
               )
          msg_box(s, MB_OK)
  
new_contents:         s = '''
          file lines count: {cnt}
          option_int: {i}
          option_bool: {b}
          '''.format(
               cnt = ed.get_line_count(),
               i = option_int,
               b = option_bool,
               )
          msg_box(s, MB_OK)
  
  
subject: fix eol