rem: \\NNN   the character whose ASCII code is NNN (octal)\n\
add: \\0NNN   the character whose ASCII code is NNN (octal)\n\
context: usage (int status){  if (status != 0)    fprintf (stderr, _("Try `%s --help' for more information.\n"),	     program_name);  else    {      printf (_("Usage: %s [OPTION]... [STRING]...\n"), program_name);      fputs (_("\Echo the STRING(s) to standard output.\n\\n\  -n              do not output the trailing newline\n\  -e              enable interpretation of the backslash-escaped characters\n\                    listed below\n\  -E              disable interpretation of those sequences in STRINGs\n\"), stdout);      fputs (HELP_OPTION_DESCRIPTION, stdout);      fputs (VERSION_OPTION_DESCRIPTION, stdout);      fputs (_("\\n\Without -E, the following sequences are recognized and interpolated:\n\\n\  \\NNN   the character whose ASCII code is NNN (octal)\n\  \\\\     backslash\n\  \\a     alert (BEL)\n\  \\b     backspace\n\"), stdout);      fputs (_("\  \\c     suppress trailing newline\n\  \\f     form feed\n\  \\n     new line\n\  \\r     carriage return\n\  \\t     horizontal tab\n\  \\v     vertical tab\n\"), stdout);      printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);    }  exit (status);}