#data
<!doctype html><math><mn DefinitionUrl="foo">
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <math math>
|       <math mn>
|         definitionURL="foo"

#data
<!doctype html><html></p><!--foo-->
#errors
#document
| <!DOCTYPE html>
| <html>
|   <!-- foo -->
|   <head>
|   <body>

#data
<!doctype html><head></head></p><!--foo-->
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <!-- foo -->
|   <body>

#data
<!doctype html><body><p><pre>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|     <pre>

#data
<!doctype html><body><p><listing>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|     <listing>

#data
<!doctype html><p><plaintext>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|     <plaintext>

#data
<!doctype html><p><h1>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|     <h1>

#data
<!doctype html><form><isindex>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <form>

#data
<!doctype html><isindex action="POST">
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <form>
|       action="POST"
|       <hr>
|       <label>
|         "This is a searchable index. Enter search keywords: "
|         <input>
|           name="isindex"
|       <hr>

#data
<!doctype html><isindex prompt="this is isindex">
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <form>
|       <hr>
|       <label>
|         "this is isindex"
|         <input>
|           name="isindex"
|       <hr>

#data
<!doctype html><isindex type="hidden">
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <form>
|       <hr>
|       <label>
|         "This is a searchable index. Enter search keywords: "
|         <input>
|           name="isindex"
|           type="hidden"
|       <hr>

#data
<!doctype html><isindex name="foo">
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <form>
|       <hr>
|       <label>
|         "This is a searchable index. Enter search keywords: "
|         <input>
|           name="isindex"
|       <hr>

#data
<!doctype html><ruby><p><rp>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <ruby>
|       <p>
|       <rp>

#data
<!doctype html><ruby><div><span><rp>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <ruby>
|       <div>
|         <span>
|       <rp>

#data
<!doctype html><ruby><div><p><rp>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <ruby>
|       <div>
|         <p>
|       <rp>

#data
<!doctype html><ruby><p><rt>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <ruby>
|       <p>
|       <rt>

#data
<!doctype html><ruby><div><span><rt>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <ruby>
|       <div>
|         <span>
|       <rt>

#data
<!doctype html><ruby><div><p><rt>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <ruby>
|       <div>
|         <p>
|       <rt>

#data
<!doctype html><math/><foo>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <math math>
|     <foo>

#data
<!doctype html><svg/><foo>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <svg svg>
|     <foo>

#data
<!doctype html><div></body><!--foo-->
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <div>
|   <!-- foo -->

#data
<!doctype html><h1><div><h3><span></h1>foo
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <h1>
|       <div>
|         <h3>
|           <span>
|         "foo"

#data
<!doctype html><p></h3>foo
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       "foo"

#data
<!doctype html><h3><li>abc</h2>foo
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <h3>
|       <li>
|         "abc"
|     "foo"

#data
<!doctype html><table>abc<!--foo-->
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     "abc"
|     <table>
|       <!-- foo -->

#data
<!doctype html><table>  <!--foo-->
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <table>
|       "  "
|       <!-- foo -->

#data
<!doctype html><table> b <!--foo-->
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     " b "
|     <table>
|       <!-- foo -->

#data
<!doctype html><select><option><option>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <select>
|       <option>
|       <option>

#data
<!doctype html><select><option></optgroup>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <select>
|       <option>

#data
<!doctype html><select><option></optgroup>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <select>
|       <option>

#data
<!doctype html><p><math><mi><p><h1>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|         <math mi>
|           <p>
|           <h1>

#data
<!doctype html><p><math><mo><p><h1>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|         <math mo>
|           <p>
|           <h1>

#data
<!doctype html><p><math><mn><p><h1>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|         <math mn>
|           <p>
|           <h1>

#data
<!doctype html><p><math><ms><p><h1>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|         <math ms>
|           <p>
|           <h1>

#data
<!doctype html><p><math><mtext><p><h1>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|         <math mtext>
|           <p>
|           <h1>

#data
<!doctype html><frameset></noframes>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>

#data
<!doctype html><html c=d><body></html><html a=b>
#errors
#document
| <!DOCTYPE html>
| <html>
|   a="b"
|   c="d"
|   <head>
|   <body>

#data
<!doctype html><html c=d><frameset></frameset></html><html a=b>
#errors
#document
| <!DOCTYPE html>
| <html>
|   a="b"
|   c="d"
|   <head>
|   <frameset>

#data
<!doctype html><html><frameset></frameset></html><!--foo-->
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
| <!-- foo -->

#data
<!doctype html><html><frameset></frameset></html>  
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|   "  "

#data
<!doctype html><html><frameset></frameset></html>abc
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>

#data
<!doctype html><html><frameset></frameset></html><p>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>

#data
<!doctype html><html><frameset></frameset></html></p>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>

#data
<html><frameset></frameset></html><!doctype html>
#errors
#document
| <html>
|   <head>
|   <frameset>

#data
<!doctype html><body><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>

#data
<!doctype html><p><frameset><frame>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|     <frame>

#data
<!doctype html><p>a<frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       "a"

#data
<!doctype html><p> <frameset><frame>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|     <frame>

#data
<!doctype html><pre><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <pre>

#data
<!doctype html><listing><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <listing>

#data
<!doctype html><li><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <li>

#data
<!doctype html><dd><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <dd>

#data
<!doctype html><dt><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <dt>

#data
<!doctype html><button><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <button>

#data
<!doctype html><applet><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <applet>

#data
<!doctype html><marquee><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <marquee>

#data
<!doctype html><object><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <object>

#data
<!doctype html><table><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <table>

#data
<!doctype html><area><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <area>

#data
<!doctype html><basefont><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|     <basefont>
|   <frameset>

#data
<!doctype html><bgsound><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|     <bgsound>
|   <frameset>

#data
<!doctype html><br><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <br>

#data
<!doctype html><embed><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <embed>

#data
<!doctype html><img><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <img>

#data
<!doctype html><input><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <input>

#data
<!doctype html><keygen><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <keygen>

#data
<!doctype html><wbr><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <wbr>

#data
<!doctype html><hr><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <hr>

#data
<!doctype html><textarea></textarea><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <textarea>

#data
<!doctype html><xmp></xmp><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <xmp>

#data
<!doctype html><iframe></iframe><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <iframe>

#data
<!doctype html><select></select><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <select>

#data
<!doctype html><svg></svg><frameset><frame>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|     <frame>

#data
<!doctype html><math></math><frameset><frame>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|     <frame>

#data
<!doctype html><svg><foreignObject><div> <frameset><frame>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|     <frame>

#data
<!doctype html><svg>a</svg><frameset><frame>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <svg svg>
|       "a"

#data
<!doctype html><svg> </svg><frameset><frame>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>
|     <frame>

#data
<html>aaa<frameset></frameset>
#errors
#document
| <html>
|   <head>
|   <body>
|     "aaa"

#data
<html> a <frameset></frameset>
#errors
#document
| <html>
|   <head>
|   <body>
|     "a "

#data
<!doctype html><div><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <frameset>

#data
<!doctype html><div><body><frameset>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <div>

#data
<!doctype html><p><math></p>a
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|     "a"

#data
<!doctype html><p><math><mn><span></p>a
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <math math>
|         <math mn>
|           <span>
|             <p>
|             "a"

#data
<!doctype html><math></html>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <math math>

#data
<!doctype html><meta charset="ascii">
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|     <meta>
|       charset="ascii"
|   <body>

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

#data
<!doctype html><head><!--aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa--><meta charset="utf8">
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|     <!-- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa -->
|     <meta>
|       charset="utf8"
|   <body>

#data
<!doctype html><html a=b><head></head><html c=d>
#errors
#document
| <!DOCTYPE html>
| <html>
|   a="b"
|   c="d"
|   <head>
|   <body>

#data
<!doctype html><image/>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <img>

#data
<!doctype html>a<i>b<table>c<b>d</i>e</b>f
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     "a"
|     <i>
|       "bc"
|       <b>
|         "de"
|       "f"
|       <table>

#data
<!doctype html><table><i>a<b>b<div>c<a>d</i>e</b>f
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <i>
|       "a"
|       <b>
|         "b"
|     <b>
|     <div>
|       <b>
|         <i>
|           "c"
|           <a>
|             "d"
|         <a>
|           "e"
|       <a>
|         "f"
|     <table>

#data
<!doctype html><i>a<b>b<div>c<a>d</i>e</b>f
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <i>
|       "a"
|       <b>
|         "b"
|     <b>
|     <div>
|       <b>
|         <i>
|           "c"
|           <a>
|             "d"
|         <a>
|           "e"
|       <a>
|         "f"

#data
<!doctype html><table><i>a<b>b<div>c</i>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <i>
|       "a"
|       <b>
|         "b"
|     <b>
|       <div>
|         <i>
|           "c"
|     <table>

#data
<!doctype html><table><i>a<b>b<div>c<a>d</i>e</b>f
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <i>
|       "a"
|       <b>
|         "b"
|     <b>
|     <div>
|       <b>
|         <i>
|           "c"
|           <a>
|             "d"
|         <a>
|           "e"
|       <a>
|         "f"
|     <table>

#data
<!doctype html><table><i>a<div>b<tr>c<b>d</i>e
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <i>
|       "a"
|       <div>
|         "b"
|     <i>
|       "c"
|       <b>
|         "d"
|     <b>
|       "e"
|     <table>
|       <tbody>
|         <tr>

#data
<!doctype html><table><td><table><i>a<div>b<b>c</i>d
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <table>
|       <tbody>
|         <tr>
|           <td>
|             <i>
|               "a"
|             <div>
|               <i>
|                 "b"
|                 <b>
|                   "c"
|               <b>
|                 "d"
|             <table>

#data
<!doctype html><body><bgsound>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <bgsound>

#data
<!doctype html><body><basefont>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <basefont>

#data
<!doctype html><a><b></a><basefont>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <a>
|       <b>
|     <basefont>

#data
<!doctype html><a><b></a><bgsound>
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <a>
|       <b>
|     <bgsound>

#data
<!doctype html><figcaption><article></figcaption>a
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <figcaption>
|       <article>
|     "a"

#data
<!doctype html><summary><article></summary>a
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <summary>
|       <article>
|     "a"

#data
<!doctype html><p><a><plaintext>b
#errors
#document
| <!DOCTYPE html>
| <html>
|   <head>
|   <body>
|     <p>
|       <a>
|     <plaintext>
|       <a>
|         "b"