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/findutils/grep.c b/findutils/grep.c
index 3eea779..475b4ef 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -237,7 +237,7 @@
 
 	/* argv[optind] should be the regex pattern; no pattern, no worky */
 	if (argv[optind] == NULL)
-		usage(grep_usage);
+		show_usage();
 
 	/* sanity check */
 	if (print_count_only || be_quiet) {