#data
<div<div>
#errors
(1,9): expected-doctype-but-got-start-tag
(1,9): expected-closing-tag-but-got-eof
#document
| <html>
|   <head>
|   <body>
|     <div<div>

#data
<div foo<bar=''>
#errors
(1,9): invalid-character-in-attribute-name
(1,16): expected-doctype-but-got-start-tag
(1,16): expected-closing-tag-but-got-eof
#new-errors
(1:9) unexpected-character-in-attribute-name
#document
| <html>
|   <head>
|   <body>
|     <div>
|       foo<bar=""

#data
<div foo=`bar`>
#errors
(1,10): equals-in-unquoted-attribute-value
(1,14): unexpected-character-in-unquoted-attribute-value
(1,15): expected-doctype-but-got-start-tag
(1,15): expected-closing-tag-but-got-eof
#new-errors
(1:10) unexpected-character-in-unquoted-attribute-value
(1:14) unexpected-character-in-unquoted-attribute-value
#document
| <html>
|   <head>
|   <body>
|     <div>
|       foo="`bar`"

#data
<div \"foo=''>
#errors
(1,7): invalid-character-in-attribute-name
(1,14): expected-doctype-but-got-start-tag
(1,14): expected-closing-tag-but-got-eof
#new-errors
(1:7) unexpected-character-in-attribute-name
#document
| <html>
|   <head>
|   <body>
|     <div>
|       \"foo=""

#data
<a href='\nbar'></a>
#errors
(1,16): expected-doctype-but-got-start-tag
#document
| <html>
|   <head>
|   <body>
|     <a>
|       href="\nbar"

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

#data
&lang;&rang;
#errors
(1,6): expected-doctype-but-got-chars
#document
| <html>
|   <head>
|   <body>
|     "⟨⟩"

#data
&apos;
#errors
(1,6): expected-doctype-but-got-chars
#document
| <html>
|   <head>
|   <body>
|     "'"

#data
&ImaginaryI;
#errors
(1,12): expected-doctype-but-got-chars
#document
| <html>
|   <head>
|   <body>
|     "ⅈ"

#data
&Kopf;
#errors
(1,6): expected-doctype-but-got-chars
#document
| <html>
|   <head>
|   <body>
|     "𝕂"

#data
&notinva;
#errors
(1,9): expected-doctype-but-got-chars
#document
| <html>
|   <head>
|   <body>
|     "∉"

#data
<?import namespace="foo" implementation="#bar">
#errors
(1,1): expected-tag-name-but-got-question-mark
(1,47): expected-doctype-but-got-eof
#new-errors
(1:2) unexpected-question-mark-instead-of-tag-name
#document
| <!-- ?import namespace="foo" implementation="#bar" -->
| <html>
|   <head>
|   <body>

#data
<!--foo--bar-->
#errors
(1,15): expected-doctype-but-got-eof
#document
| <!-- foo--bar -->
| <html>
|   <head>
|   <body>

#data
<![CDATA[x]]>
#errors
(1,2): expected-dashes-or-doctype
(1,13): expected-doctype-but-got-eof
#new-errors
(1:9) cdata-in-html-content
#document
| <!-- [CDATA[x]] -->
| <html>
|   <head>
|   <body>

#data
<textarea><!--</textarea>--></textarea>
#errors
(1,10): expected-doctype-but-got-start-tag
(1,39): unexpected-end-tag
#document
| <html>
|   <head>
|   <body>
|     <textarea>
|       "<!--"
|     "-->"

#data
<textarea><!--</textarea>-->
#errors
(1,10): expected-doctype-but-got-start-tag
#document
| <html>
|   <head>
|   <body>
|     <textarea>
|       "<!--"
|     "-->"

#data
<style><!--</style>--></style>
#errors
(1,7): expected-doctype-but-got-start-tag
(1,30): unexpected-end-tag
#document
| <html>
|   <head>
|     <style>
|       "<!--"
|   <body>
|     "-->"

#data
<style><!--</style>-->
#errors
(1,7): expected-doctype-but-got-start-tag
#document
| <html>
|   <head>
|     <style>
|       "<!--"
|   <body>
|     "-->"

#data
<ul><li>A </li> <li>B</li></ul>
#errors
(1,4): expected-doctype-but-got-start-tag
#document
| <html>
|   <head>
|   <body>
|     <ul>
|       <li>
|         "A "
|       " "
|       <li>
|         "B"

#data
<table><form><input type=hidden><input></form><div></div></table>
#errors
(1,7): expected-doctype-but-got-start-tag
(1,13): unexpected-form-in-table
(1,32): unexpected-hidden-input-in-table
(1,39): unexpected-start-tag-implies-table-voodoo
(1,46): unexpected-end-tag-implies-table-voodoo
(1,46): unexpected-end-tag
(1,51): unexpected-start-tag-implies-table-voodoo
(1,57): unexpected-end-tag-implies-table-voodoo
#document
| <html>
|   <head>
|   <body>
|     <input>
|     <div>
|     <table>
|       <form>
|       <input>
|         type="hidden"

#data
<i>A<b>B<p></i>C</b>D
#errors
(1,3): expected-doctype-but-got-start-tag
(1,15): adoption-agency-1.3
(1,20): adoption-agency-1.3
#document
| <html>
|   <head>
|   <body>
|     <i>
|       "A"
|       <b>
|         "B"
|     <b>
|     <p>
|       <b>
|         <i>
|         "C"
|       "D"

#data
<div></div>
#errors
(1,5): expected-doctype-but-got-start-tag
#document
| <html>
|   <head>
|   <body>
|     <div>

#data
<svg></svg>
#errors
(1,5): expected-doctype-but-got-start-tag
#document
| <html>
|   <head>
|   <body>
|     <svg svg>

#data
<math></math>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
|   <head>
|   <body>
|     <math math>