2
<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
4
3: Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
5
116: Unclosed elements.
6
117: End of file seen and there were open elements.
42
<p><font size=4><font size=4><font size=4><font size=4><p>X
67
<p><font size=4><font size=4><font size=4><font size="5"><font size=4><p>X
96
<p><font size=4 id=a><font size=4 id=b><font size=4><font size=4><p>X
127
<p><b id=a><b id=a><b id=a><b><object><b id=a><b id=a>X</object><p>Y