rem: print_chars = 1;
add: print_chars = true;
context: main (int argc, char **argv){  int optc;  int nfiles;  program_name = argv[0];  setlocale (LC_ALL, "");  bindtextdomain (PACKAGE, LOCALEDIR);  textdomain (PACKAGE);  atexit (close_stdout);  exit_status = 0;  posixly_correct = (getenv ("POSIXLY_CORRECT") != NULL);  print_lines = print_words = print_chars = print_bytes = print_linelength = 0;  total_lines = total_words = total_chars = total_bytes = max_line_length = 0;  while ((optc = getopt_long (argc, argv, "clLmw", longopts, NULL)) != -1)    switch (optc)      {      case 0:	break;      case 'c':	print_bytes = 1;	break;      case 'm':	print_chars = 1;	break;      case 'l':	print_lines = 1;	break;      case 'w':	print_words = 1;	break;      case 'L':	print_linelength = 1;	break;      case_GETOPT_HELP_CHAR;      case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);      default:	usage (EXIT_FAILURE);      }  if (print_lines + print_words + print_chars + print_bytes + print_linelength      == 0)    print_lines = print_words = print_bytes = 1;  nfiles = argc - optind;  if (nfiles == 0)    {      have_read_stdin = 1;      wc (0, "");    }  else    {      for (; optind < argc; ++optind)	wc_file (argv[optind]);      if (nfiles > 1)	write_counts (total_lines, total_words, total_chars, total_bytes,		      max_line_length, _("total"));    }  if (have_read_stdin && close (STDIN_FILENO) != 0)    error (EXIT_FAILURE, errno, "-");  exit (exit_status == 0 ? EXIT_SUCCESS : EXIT_FAILURE);}