fix hr and nits

Editorial: remove closing tags on the dir attribute table

Helps with whatwg#9832.

Editorial: remove closing tags on the dir attribute table

Helps with whatwg#9832.

Editorial: Remove old FinishDynamicImport reference

Restore early return for history.go(0)

This accidentally was lost in 0a97a81.

Editorial: add enumerated attribute table for draggable

Helps with whatwg#9832.

Editorial: add enumerated attribute table for form/autocomplete

Helps with whatwg#9832.

Fix PromiseRejectionEvent's promise attribute

As discovered in whatwg/streams#1298 (comment), Promise<T> is actually not an appropriate type for it.

Navigation API: add navigation.activation

Closes whatwg#9760.

Editorial: remove closing tags on the dir attribute table

Helps with whatwg#9832.

Editorial: remove closing tags on the dir attribute table

Helps with whatwg#9832.

Editorial: remove closing tags on the dir attribute table

Helps with whatwg#9832.

Editorial: remove closing tags on the dir attribute table

Helps with whatwg#9832.

Editorial: remove closing tags on the dir attribute table

Helps with whatwg#9832.

Editorial: remove closing tags on the dir attribute table

Helps with whatwg#9832.

Editorial: remove closing tags on the dir attribute table

Helps with whatwg#9832.

Editorial: remove closing tags on the dir attribute table

Helps with whatwg#9832.