Bug #1442874: handle "<!>", the empty SGML comment
diff --git a/Lib/test/test_htmlparser.py b/Lib/test/test_htmlparser.py
index 4cb87df..54b90cd 100755
--- a/Lib/test/test_htmlparser.py
+++ b/Lib/test/test_htmlparser.py
@@ -115,7 +115,7 @@
 <Img sRc='Bar' isMAP>sample
 text
 &#x201C;
-<!--comment2a-- --comment2b-->
+<!--comment2a-- --comment2b--><!>
 </Html>
 """, [
     ("data", "\n"),