Re: [dom] Fix the adoption step when replacing node by child into parent (#121)

I want this because I think it makes more sense overall, and because queuing only one mutation record means that the HTMLCollection instance bound to the parent's childNodes IDL attribute can easily be cached and updated by piggy-backing the mutation observers machinery.

---
Reply to this email directly or view it on GitHub:
https://github.com/whatwg/dom/pull/121#issuecomment-160006662