If I put that URL into http://validator.unl.edu/batch and click Validate, the resulting page tells me to click "Start" but there is no Start, just a status bar stuck at 0%.
If I click the Validate (all) button, the status bar changes to 100%, but clicking for results just takes me back to the 0% version.
If I try the "if that doesn't work" legacy option and click "Revalidate (all)", I just get this:
This may take some time. Patience is a virtue.
Searching for sublinks now.
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... but that's all. The browser says Done in the corner and doesn't even pretend to be doing anything. Same in IE 7 & FF 3.5.2.
