diff --git a/tokenizer/test1.test b/tokenizer/test1.test
index cb0eb48..5323fbb 100644
--- a/tokenizer/test1.test
+++ b/tokenizer/test1.test
@@ -149,6 +149,10 @@
 "input":"<!-- <test-->",
 "output":[["Comment", " <test"]]},
 
+{"description":"<< in comment",
+"input":"<!--<<-->",
+"output":[["Comment", "<<"]]},
+
 {"description":"<! in comment",
 "input":"<!-- <!test-->",
 "output":[["Comment", " <!test"]]},
diff --git a/tree-construction/template.dat b/tree-construction/template.dat
index 2d97183..e0bec77 100644
--- a/tree-construction/template.dat
+++ b/tree-construction/template.dat
@@ -1611,3 +1611,17 @@ eof table
 |           <a>
 |           <table>
 |   <body>
+
+#data
+<template><form><input name="q"></form><div>second</div></template>
+#document-fragment
+template
+#errors
+#document
+| <template>
+|   content
+|     <form>
+|       <input>
+|         name="q"
+|     <div>
+|       "second"
