{"action":"opened","issue":{"url":"https://api.github.com/repos/whatwg/html/issues/513","labels_url":"https://api.github.com/repos/whatwg/html/issues/513/labels{/name}","comments_url":"https://api.github.com/repos/whatwg/html/issues/513/comments","events_url":"https://api.github.com/repos/whatwg/html/issues/513/events","html_url":"https://github.com/whatwg/html/issues/513","id":126576564,"number":513,"title":"<embed> should support loading random HTML documents, like <object>","user":{"login":"bzbarsky","id":1457979,"avatar_url":"https://avatars.githubusercontent.com/u/1457979?v=3","gravatar_id":"","url":"https://api.github.com/users/bzbarsky","html_url":"https://github.com/bzbarsky","followers_url":"https://api.github.com/users/bzbarsky/followers","following_url":"https://api.github.com/users/bzbarsky/following{/other_user}","gists_url":"https://api.github.com/users/bzbarsky/gists{/gist_id}","starred_url":"https://api.github.com/users/bzbarsky/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bzbarsky/subscriptions","organizations_url":"https://api.github.com/users/bzbarsky/orgs","repos_url":"https://api.github.com/users/bzbarsky/repos","events_url":"https://api.github.com/users/bzbarsky/events{/privacy}","received_events_url":"https://api.github.com/users/bzbarsky/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-01-14T04:47:40Z","updated_at":"2016-01-14T04:47:40Z","closed_at":null,"body":"Long story short, everyone except Gecko seems to support this:\r\n\r\n    <embed src=\"something.html\">\r\n\r\n(even without the `.html` extension) already, even though that doesn't follow the current HTML spec.  @qdot is adding support in Gecko because of people who are changing their YouTube embeds from Flash to HTML video by just changing the URL and hence loading HTML in `<embed>`.   The spec should just be updated to acknowledge this reality.\r\n\r\nSee https://bugzilla.mozilla.org/show_bug.cgi?id=1237963 for a slightly more rambly discussion with concrete examples of YouTube embeds."}}