[whatwg/dom] Adopt a DocumentFragment with a host like any other node (PR #1486)

adoptNode() previously short-circuited for a DocumentFragment whose host is non-null (i.e. a template's content) with a bare "return", which both contradicted the Node return type and matched no implementation. All engines instead adopt the fragment and return it, so remove the step.

Tests: https://github.com/web-platform-tests/wpt/pull/61140.

Fixes #813.
You can view, comment on, or merge this pull request online at:

  https://github.com/whatwg/dom/pull/1486

-- Commit Summary --

  * Adopt a DocumentFragment with a host like any other node

-- File Changes --

    M dom.bs (3)

-- Patch Links --

https://github.com/whatwg/dom/pull/1486.patch
https://github.com/whatwg/dom/pull/1486.diff

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Received on Wednesday, 8 July 2026 12:33:02 UTC