From e051c530512fec50c9050c54f2f7c2da554b963c Mon Sep 17 00:00:00 2001
From: Eric Fischer <enf@pobox.com>
Date: Tue, 19 Mar 2019 10:16:14 -0700
Subject: [PATCH] Fix duplicated error message for unknown option

---
 main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.cpp b/main.cpp
index 17280a9..7320d01 100644
--- a/main.cpp
+++ b/main.cpp
@@ -3004,7 +3004,7 @@ int main(int argc, char **argv) {
 			break;
 
 		default: {
-			if (i != 'H') {
+			if (i != 'H' && i != '?') {
 				fprintf(stderr, "Unknown option -%c\n", i);
 			}
 			int width = 7 + strlen(argv[0]);