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

#data
<a>1<p>2</a>3</p>
#errors
#document
| <html>
|   <head>
|   <body>
|     <a>
|       "1"
|     <p>
|       <a>
|         "2"
|       "3"

#data
<a>1<button>2</a>3</button>
#errors
#document
| <html>
|   <head>
|   <body>
|     <a>
|       "1"
|     <button>
|       <a>
|         "2"
|       "3"

#data
<a>1<b>2</a>3</b>
#errors
#document
| <html>
|   <head>
|   <body>
|     <a>
|       "1"
|       <b>
|         "2"
|     <b>
|       "3"

#data
<a>1<div>2<div>3</a>4</div>5</div>
#errors
#document
| <html>
|   <head>
|   <body>
|     <a>
|       "1"
|     <div>
|       <a>
|         "2"
|       <div>
|         <a>
|           "3"
|         "4"
|       "5"

#data
<table><a>1<p>2</a>3</p>
#errors
#document
| <html>
|   <head>
|   <body>
|     <a>
|       "1"
|     <p>
|       <a>
|         "2"
|       "3"
|     <table>

#data
<b><b><a><p></a>
#errors
#document
| <html>
|   <head>
|   <body>
|     <b>
|       <b>
|         <a>
|         <p>
|           <a>

#data
<b><a><b><p></a>
#errors
#document
| <html>
|   <head>
|   <body>
|     <b>
|       <a>
|         <b>
|       <b>
|         <p>
|           <a>

#data
<a><b><b><p></a>
#errors
#document
| <html>
|   <head>
|   <body>
|     <a>
|       <b>
|         <b>
|     <b>
|       <b>
|         <p>
|           <a>

#data
<p>1<s id="A">2<b id="B">3</p>4</s>5</b>
#errors
#document
| <html>
|   <head>
|   <body>
|     <p>
|       "1"
|       <s>
|         id="A"
|         "2"
|         <b>
|           id="B"
|           "3"
|     <s>
|       id="A"
|       <b>
|         id="B"
|         "4"
|     <b>
|       id="B"
|       "5"

#data
<table><a>1<td>2</td>3</table>
#errors
#document
| <html>
|   <head>
|   <body>
|     <a>
|       "1"
|     <a>
|       "3"
|     <table>
|       <tbody>
|         <tr>
|           <td>
|             "2"

#data
<table>A<td>B</td>C</table>
#errors
#document
| <html>
|   <head>
|   <body>
|     "AC"
|     <table>
|       <tbody>
|         <tr>
|           <td>
|             "B"

#data
<a><svg><tr><input></a>
#errors
#document
| <html>
|   <head>
|   <body>
|     <a>
|       <svg svg>
|         <svg tr>
|           <svg input>