diff -up cups-2.2b2/berkeley/lpr.c.lpr-help cups-2.2b2/berkeley/lpr.c

--- cups-2.2b2/berkeley/lpr.c.lpr-help	2016-06-24 17:43:35.000000000 +0200

+++ cups-2.2b2/berkeley/lpr.c	2016-06-27 15:11:30.646348752 +0200

@@ -18,6 +18,31 @@

 #include <cups/cups-private.h>

+static void

+usage (const char *name)

+{

+  _cupsLangPrintf(stdout,

+"Usage: %s [OPTION] [ file(s) ]\n"

+"Print files.\n\n"

+"  -E                       force encryption\n"

+"  -H server[:port]         specify alternate server\n"

+"  -C title, -J title, -T title\n"

+"                           set the job name\n\n"

+"  -P destination/instance  print to named printer\n"

+"  -U username              specify alternate username\n"

+"  -# num-copies            set number of copies\n"

+"  -h                       disable banner printing\n"

+"  -l                       print without filtering\n"

+"  -m                       send email on completion\n"

+"  -o option[=value]        set a job option\n"

+"  -p                       format text file with header\n"

+"  -q                       hold job for printing\n"

+"  -r                       delete files after printing\n"

+"\nWith no file given, read standard input.\n"

+, name);

+}

+

+

 /*

  * 'main()' - Parse options and send files for printing.

  */

@@ -281,6 +306,12 @@ main(int  argc,				/* I - Number of comm

 	      break;

 	  default :

+	    if (!strcmp (argv[i], "--help"))

+	    {

+	      usage (argv[0]);

+	      return (0);

+	    }

+

 	      _cupsLangPrintf(stderr, _("%s: Error - unknown option \"%c\"."), argv[0], *opt);

 	      return (1);

 	}