| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <math math>
|       <math mn>
|         definitionurl="foo"

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

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

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|     <pre>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|     <listing>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|     <plaintext>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|     <h1>

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

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

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

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

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

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <ruby>
|       <p>
|       <rp>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <ruby>
|       <div>
|         <span>
|           <rp>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <ruby>
|       <div>
|         <p>
|         <rp>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <ruby>
|       <p>
|       <rt>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <ruby>
|       <div>
|         <span>
|           <rt>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <ruby>
|       <div>
|         <p>
|         <rt>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <math math>
|     <foo>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <svg svg>
|     <foo>

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

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <h1>
|       <div>
|         <h3>
|           <span>
|         "foo"

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

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <h3>
|       <li>
|         "abc"
|     "foo"

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     "abc"
|     <table>
|       <!--foo-->

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <table>
|       "  "
|       <!--foo-->

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     " b "
|     <table>
|       <!--foo-->

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <select>
|       <option>
|       <option>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <select>
|       <option>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <select>
|       <option>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <dd>
|       <optgroup>
|     <dd>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|         <math mi>
|           <p>
|           <h1>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|         <math mo>
|           <p>
|           <h1>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|         <math mn>
|           <p>
|           <h1>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|         <math ms>
|           <p>
|           <h1>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|         <math mtext>
|           <p>
|           <h1>

| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>

| <!DOCTYPE html>
| <html>
|   c="d"
|   <head>
|   <body>

| <!DOCTYPE html>
| <html>
|   c="d"
|   <head>
|   <frameset>

| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
| <!--foo-->

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

| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>

| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>

| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>

| <html>
|   <head>
|   <frameset>

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

| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|     <frame>

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

| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|     <frame>

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

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

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

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

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

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

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

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

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

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

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

| <!DOCTYPE html>
| <html>
|   <head>
|     <basefont>
|   <frameset>

| <!DOCTYPE html>
| <html>
|   <head>
|     <bgsound>
|   <frameset>

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

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

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

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

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

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

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

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

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

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

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

| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|     <frame>

| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|     <frame>

| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|     <frame>

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

| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|     <frame>

| <html>
|   <head>
|   <body>
|     "aaa"

| <html>
|   <head>
|   <body>
|     "a "

| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>

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

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|     "a"

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|         <math mn>
|           <span>
|             <p>
|             "a"

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

| <!DOCTYPE html>
| <html>
|   <head>
|     <meta>
|       charset="ascii"
|   <body>

| <!DOCTYPE html>
| <html>
|   <head>
|     <meta>
|       content="text/html;charset=ascii"
|       http-equiv="content-type"
|   <body>

| <!DOCTYPE html>
| <html>
|   <head>
|     <! >
|     <meta>
|       charset="utf8"
|   <body>

| <!DOCTYPE html>
| <html>
|   a="b"
|   <head>
|   <body>

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

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     "a"
|     <i>
|       "b"
|       "c"
|       <b>
|         "d"
|         "e"
|       "f"
|       <table>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <i>
|       "a"
|       <b>
|         "b"
|     <b>
|     <div>
|       <b>
|         <i>
|           "c"
|           <a>
|             "d"
|         <a>
|           "e"
|       <a>
|         "f"
|     <table>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <i>
|       "a"
|       <b>
|         "b"
|     <b>
|     <div>
|       <b>
|         <i>
|           "c"
|           <a>
|             "d"
|         <a>
|           "e"
|       <a>
|         "f"

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <i>
|       "a"
|       <b>
|         "b"
|     <b>
|       <div>
|         <i>
|           "c"
|     <table>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <i>
|       "a"
|       <b>
|         "b"
|     <b>
|     <div>
|       <b>
|         <i>
|           "c"
|           <a>
|             "d"
|         <a>
|           "e"
|       <a>
|         "f"
|     <table>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <i>
|       "a"
|       <div>
|         "b"
|     <i>
|       "c"
|       <b>
|         "d"
|     <b>
|       "e"
|     <table>
|       <tbody>
|         <tr>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <table>
|       <tbody>
|         <tr>
|           <td>
|             <i>
|               "a"
|             <div>
|               <i>
|                 "b"
|                 <b>
|                   "c"
|               <b>
|                 "d"
|             <table>

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

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

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <a>
|       <b>
|     <basefont>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <a>
|       <b>
|     <bgsound>

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <figcaption>
|       <article>
|     "a"

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <summary>
|       <article>
|     "a"

| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <a>
|     <plaintext>
|       <a>
|         "b"

