466,467c466,467
<   -s, --stable              stabilize sort by disabling last-resort comparison\
< \n\
---
>   -P, --posix-simple        use POSIX locale (simple byte-value) comparisons\n\
>   -s, --stable              stabilize sort by disabling last-resort comparison\n\
503c503,504
< Set LC_ALL=C to get the traditional sort order that uses\n\
---
> The -P option overrides the locale with the portable POSIX\n\
> locale.  Use -P to get the traditional sort order that uses\n\
526c527
< static char const short_options[] = "-bcCdfghik:mMno:rRsS:t:T:uVy:z";
---
> static char const short_options[] = "-bcCdfghik:mMno:PrRsS:t:T:uVy:z";
548a550
>   {"posix-simple", no_argument, NULL, 'P'},
4076a4079
>   char posix_simple_ordering = 0;
4372a4376,4379
> 	case 'P':
> 	  posix_simple_ordering = 1;
> 	  break;
> 
4545a4553,4563
>   /* temporarily set locale to "POSIX" */
>   if (posix_simple_ordering){
>     setlocale(LC_ALL, "POSIX"); 
>     hard_LC_COLLATE = hard_locale (LC_COLLATE);
> #if HAVE_NL_LANGINFO
>     hard_LC_TIME = hard_locale (LC_TIME);
> #endif
>     decimal_point = '.';
>     thousands_sep = -1;
>   }
> 
4631a4650,4654
> 
>   if (posix_simple_ordering){
>     /* Restore caller's locale. */
>     setlocale(LC_ALL, "");
>   }