This patch, put together by Manuel Novoa III, is a merge of work

done by Evin Robertson (bug#1105) and work from Manuel to make
usage messages occupy less space and simplify how usage messages
are displayed.

coreutils/printf.c

@@ -143,7 +143,7 @@ int printf_main(int argc, char **argv)
 
 	exit_status = 0;
 	if (argc <= 1 || **(argv + 1) == '-') {
-		usage(printf_usage);
+		show_usage();
 	}
 
 	format = argv[1];