diff --git a/tree-construction/template.dat b/tree-construction/template.dat
index 5a904d4..e869378 100644
--- a/tree-construction/template.dat
+++ b/tree-construction/template.dat
@@ -1572,6 +1572,26 @@ no doctype
 |         "Foo"
 |   <body>
 
+#data
+<html><head></head><template></template><head>
+#errors
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|   <body>
+
+#data
+<body></body><template>
+#errors
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+
 #data
 <!DOCTYPE HTML><dummy><table><template><table><template><table><script>
 #errors
diff --git a/tree-construction/webkit01.dat b/tree-construction/webkit01.dat
index 3bb3bb9..44150ce 100644
--- a/tree-construction/webkit01.dat
+++ b/tree-construction/webkit01.dat
@@ -359,6 +359,30 @@ console.log("FOO<span>BAR</span>BAZ");
 |     <!--  Hi there  -->
 | <!--  Again  -->
 
+#data
+<html><body></body>
+   <!-- Hi there --></html>
+#errors
+#document
+| <html>
+|   <head>
+|   <body>
+|     "
+   "
+|   <!--  Hi there  -->
+
+#data
+<html><body></body></html>
+   <!-- Hi there -->
+#errors
+#document
+| <html>
+|   <head>
+|   <body>
+|     "
+   "
+| <!--  Hi there  -->
+
 #data
 <html><body><ruby><div><rp>xx</rp></div></ruby></body></html>
 #errors
diff --git a/tree-construction/webkit02.dat b/tree-construction/webkit02.dat
index dddfe2a..e5eb00a 100644
--- a/tree-construction/webkit02.dat
+++ b/tree-construction/webkit02.dat
@@ -159,6 +159,27 @@
 |     <input>
 |     <table>
 
+#data
+<b><em><dcell><postfield><postfield><postfield><postfield><missing_glyph><missing_glyph><missing_glyph><missing_glyph><hkern><aside></b></em>
+#errors
+#document-fragment
+div
+#document
+| <b>
+|   <em>
+|     <dcell>
+|       <postfield>
+|         <postfield>
+|           <postfield>
+|             <postfield>
+|               <missing_glyph>
+|                 <missing_glyph>
+|                   <missing_glyph>
+|                     <missing_glyph>
+|                       <hkern>
+| <aside>
+|   <b>
+
 #data
 <b><em><foo><foo><aside></b>
 #errors
