From 36ef8f3e4affd47a77d40cf09c3b06ea496b4f84 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Sun, 18 Dec 2011 04:07:19 -0500
Subject: Print usage information to stderr with line break.

---
diff --git a/src/cgol.c b/src/cgol.c
index b4b95e7..d6b28e3 100644
--- a/src/cgol.c
+++ b/src/cgol.c
@@ -245,6 +245,6 @@ print_cell(int i, int j, bool next)
 void
 usage(const char *invocation)
 {
-	printf("Usage: %s [-w WIDTH] [-h HEIGHT] [-s SEEDPROB] [-r RATE] "
-			"[-n GENERATIONS]", invocation);
+	fprintf(stderr, "Usage: %s [-w WIDTH] [-h HEIGHT] [-s SEEDPROB] [-r RATE] "
+			"[-n GENERATIONS]\n", invocation);
 }
--
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