src/pkg/html/testdata/webkit/tests19.dat - go - Git at Google

 #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"
	#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"