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.
diff --git a/printf.c b/printf.c
index 72bc7ae..26a200e 100644
--- a/printf.c
+++ b/printf.c
@@ -143,7 +143,7 @@
 
 	exit_status = 0;
 	if (argc <= 1 || **(argv + 1) == '-') {
-		usage(printf_usage);
+		show_usage();
 	}
 
 	format = argv[1];