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-rw-r--r--tests/test_decode1.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/test_decode1.c b/tests/test_decode1.c
index b46d0d5a..d0cc427a 100644
--- a/tests/test_decode1.c
+++ b/tests/test_decode1.c
@@ -1,3 +1,7 @@
+/* A very simple decoding test case, using person.proto.
+ * Produces output compatible with protoc --decode.
+ */
+
#include <stdio.h>
#include <pb_decode.h>
#include "person.pb.h"