The nlab's HTML is wonky #29
Description
...by which I mean invalid. While most browsers are able to handle it fine, it would be nice to at least try to be compliant.
One issue that stood out in particular is the presence of an entire <html> document inside a <div>. I'm guessing this is because we generate a full HTML page from each article's contents, and then embed it inside a "template" page with headers and footers.