- If OPTS begins with `--', then non-option arguments are treated as
- arguments to the option '\0'. This behavior is specific to the GNU
- `getopt'. */
+ If OPTS begins with `-', then non-option arguments are treated as
+ arguments to the option '\1'. This behavior is specific to the GNU
+ `getopt'. If OPTS begins with `+', or POSIXLY_CORRECT is set in
+ the environment, then do not permute arguments. */