And here it is in the specification: http://dev.w3.org/html5/spec/Overview.html#the-base-element http://dev.w3.org/html5/spec/Overview.html#the-base-element A

And here it is in the specification: http://dev.w3.org/html5/spec/Overview.html#the-base-element http://dev.w3.org/html5/spec/Overview.html#the-base-element And accordingly, adding `<base href="http://example.com/ http://example.com/ >` to that test above seems to work well on modern browsers.