| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <b>
|         <i>
|           <u>
|     <b>
|       <i>
|         <u>
|           " "
|           <p>
|             "X"

| <html>
|   <head>
|   <body>
|     <p>
|       <b>
|         <i>
|           <u>
|     <p>
|       <b>
|         <i>
|           <u>
|             "X"

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     " "

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <meta>

| <html>
|   <head>
|   <body>
| <!--  foo  -->

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <title>
|       "X"

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     " X"
|     <meta>
|     <table>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     " x"
|     <table>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     " x "
|     <table>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     " x"
|     <table>
|       <tbody>
|         <tr>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     "X"
|     <table>
|       <style>
|         " <tr>x "
|       " "

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <div>
|       <a>
|         "foo"
|       <table>
|         " "
|         <tbody>
|           <tr>
|             <td>
|               "bar"
|             " "

| <html>
|   <head>
|   <frameset>
|     <frame>
|     <frameset>
|       <frame>
|     <noframes>
|       "</frameset><noframes>"

