https://www.w3.org/TR/referrer-policy/#determine-requests-referrer While document is an iframe srcdoc document, let document be document’s browsing context’s browsing context container’s node document.
Bug 1534681 Comment 2 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
https://www.w3.org/TR/referrer-policy/#determine-requests-referrer While document is an iframe srcdoc document, let document be document’s browsing context’s browsing context container’s node document. And another https://www.w3.org/TR/referrer-policy/#referrer-policy-delivery-nested