From bba2b1c89b32030289623cd9f5cc68d7c40ab0bb Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Thu, 14 Mar 2019 11:02:40 -0400
Subject: testUTF8: comment why sequences are invalid

---
 Tests/CMakeLib/testUTF8.cxx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Tests/CMakeLib/testUTF8.cxx b/Tests/CMakeLib/testUTF8.cxx
index c99c46d..eb37c7e 100644
--- a/Tests/CMakeLib/testUTF8.cxx
+++ b/Tests/CMakeLib/testUTF8.cxx
@@ -30,8 +30,12 @@ static test_utf8_entry const good_entry[] = {
 };
 
 static test_utf8_char const bad_chars[] = {
-  "\x80\x00\x00\x00", "\xC0\x00\x00\x00", "\xE0\x00\x00\x00",
-  "\xE0\x80\x80\x00", "\xF0\x80\x80\x80", { 0, 0, 0, 0, 0 }
+  "\x80\x00\x00\x00", /* Leading continuation byte. */
+  "\xC0\x00\x00\x00", /* Overlong encoding and missing continuation byte. */
+  "\xE0\x00\x00\x00", /* Missing continuation bytes. */
+  "\xE0\x80\x80\x00", /* Overlong encoding. */
+  "\xF0\x80\x80\x80", /* Overlong encoding. */
+  { 0, 0, 0, 0, 0 }
 };
 
 static void report_good(bool passed, test_utf8_char const c)
-- 
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