#data
<p><font size=4><font color=red><font size=4><font size=4><font size=4><font size=4><font size=4><font color=red><p>X
#errors
3: Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
116: Unclosed elements.
117: End of file seen and there were open elements.
#document
| <html>
| <head>
| <body>
| <p>
| <font>
| size="4"
| <font>
| color="red"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| color="red"
| <p>
| <font>
| color="red"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| color="red"
| "X"
#data
<p><font size=4><font size=4><font size=4><font size=4><p>X
#errors
#document
| <html>
| <head>
| <body>
| <p>
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <p>
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| "X"
#data
<p><font size=4><font size=4><font size=4><font size="5"><font size=4><p>X
#errors
#document
| <html>
| <head>
| <body>
| <p>
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="5"
| <font>
| size="4"
| <p>
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="5"
| <font>
| size="4"
| "X"
#data
<p><font size=4 id=a><font size=4 id=b><font size=4><font size=4><p>X
#errors
#document
| <html>
| <head>
| <body>
| <p>
| <font>
| id="a"
| size="4"
| <font>
| id="b"
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <p>
| <font>
| id="a"
| size="4"
| <font>
| id="b"
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| "X"
#data
<p><b id=a><b id=a><b id=a><b><object><b id=a><b id=a>X</object><p>Y
#errors
#document
| <html>
| <head>
| <body>
| <p>
| <b>
| id="a"
| <b>
| id="a"
| <b>
| id="a"
| <b>
| <object>
| <b>
| id="a"
| <b>
| id="a"
| "X"
| <p>
| <b>
| id="a"
| <b>
| id="a"
| <b>
| id="a"
| <b>
| "Y"