#data
FOO<!-- BAR -- <QUX> -- MUX -- >BAZ
#errors
3: Non-space characters found without seeing a doctype first. Expected “<!DOCTYPE html>”.
15: Consecutive hyphens did not terminate a comment. “--” is not permitted inside a comment, but e.g. “- -” is.
24: Consecutive hyphens did not terminate a comment. “--” is not permitted inside a comment, but e.g. “- -” is.
31: Consecutive hyphens did not terminate a comment. “--” is not permitted inside a comment, but e.g. “- -” is.
35: End of file inside comment.
#document
| <html>
|   <head>
|   <body>
|     "FOO"
|     <!--  BAR -- <QUX> -- MUX -- >BAZ -->

#data
FOO<!-- BAR --   >BAZ
#errors
3: Non-space characters found without seeing a doctype first. Expected “<!DOCTYPE html>”.
15: Consecutive hyphens did not terminate a comment. “--” is not permitted inside a comment, but e.g. “- -” is.
21: End of file inside comment.
#document
| <html>
|   <head>
|   <body>
|     "FOO"
|     <!--  BAR --   >BAZ -->

#data
<svg><![CDATA[]]
#errors
#document
| <html>
|   <head>
|   <body>
|     <svg svg>

#data
<svg><![CDATA[]
#errors
#document
| <html>
|   <head>
|   <body>
|     <svg svg>