[whatwg/dom] Document's base URL needs to be cloned (#454)

Per https://github.com/whatwg/html/issues/421 we need to clone the base URL. #258 made this a little harder. Might want to revert that after all...

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/whatwg/dom/issues/454

Received on Thursday, 4 May 2017 12:17:35 UTC