Strange results with "HTML Validator ( based on Tidy )"

Hello,

I'm using Firefox 1.0.1 with the "HTML Validator ( based on Tidy )"
extension (http://users.skynet.be/mgueury/mozilla/)
which runs tidy on the fly while you load a page.

I noticed two errors while validating a XHTML1.1 page and
attached the two html files as zip archive.

1st error (Error_1.html):
Tidy (or the extension) say the HTML is valid although
the ordered list is closed by "</ol" (missing ">" )

2nd error (Error_2.html):
This file has the same error with the missing ">".
The extension says there is one error. If you doubleclick
the status bar to see the error description, tidy finds no
error. Quite strange in my opinion.

Are these bugs known?
Do you know where they come from?

Best regards, keep up the good work on this nice tool,
Salek Talangi

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