{"action":"created","issue":{"url":"https://api.github.com/repos/whatwg/html/issues/3234","repository_url":"https://api.github.com/repos/whatwg/html","labels_url":"https://api.github.com/repos/whatwg/html/issues/3234/labels{/name}","comments_url":"https://api.github.com/repos/whatwg/html/issues/3234/comments","events_url":"https://api.github.com/repos/whatwg/html/issues/3234/events","html_url":"https://github.com/whatwg/html/issues/3234","id":274699424,"number":3234,"title":"Table of contents issue. Orphaned embedded elements.","user":{"login":"JohnLukeBentley","id":18357541,"avatar_url":"https://avatars2.githubusercontent.com/u/18357541?v=4","gravatar_id":"","url":"https://api.github.com/users/JohnLukeBentley","html_url":"https://github.com/JohnLukeBentley","followers_url":"https://api.github.com/users/JohnLukeBentley/followers","following_url":"https://api.github.com/users/JohnLukeBentley/following{/other_user}","gists_url":"https://api.github.com/users/JohnLukeBentley/gists{/gist_id}","starred_url":"https://api.github.com/users/JohnLukeBentley/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/JohnLukeBentley/subscriptions","organizations_url":"https://api.github.com/users/JohnLukeBentley/orgs","repos_url":"https://api.github.com/users/JohnLukeBentley/repos","events_url":"https://api.github.com/users/JohnLukeBentley/events{/privacy}","received_events_url":"https://api.github.com/users/JohnLukeBentley/received_events","type":"User","site_admin":false},"labels":[{"id":632284431,"url":"https://api.github.com/repos/whatwg/html/labels/dev%20edition","name":"dev edition","color":"bfdadc","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2017-11-16T23:23:14Z","updated_at":"2017-11-16T23:40:12Z","closed_at":null,"author_association":"NONE","body":"In the developer's edition, when looking at the table of contents (https://html.spec.whatwg.org/dev/) there exists \"4.8 Embedded content\". Clicking through takes you to https://html.spec.whatwg.org/dev/embedded-content.html#embedded-content ...\r\n\r\nOn that page the section table of contents is listed as ...\r\n\r\n    4.8 Embedded content\r\n        4.8.1 The picture element\r\n        4.8.2 The source element\r\n        4.8.3 The img element\r\n\r\n... but there also exists the page https://html.spec.whatwg.org/dev/media.html, which has a section table of contents listed as ...\r\n\r\n    4.8.9 The video element\r\n    4.8.10 The audio element\r\n    4.8.11 The track element\r\n    4.8.12 Media elements\r\n        4.8.12.1 Error codes\r\n        [etc...]\r\n\r\nThat is, this page https://html.spec.whatwg.org/dev/media.html, is not linked to from the front page table of contents (https://html.spec.whatwg.org/dev/). In that sense media.html, and the embedded elements it lists, is orphaned."},"comment":{"url":"https://api.github.com/repos/whatwg/html/issues/comments/345098691","html_url":"https://github.com/whatwg/html/issues/3234#issuecomment-345098691","issue_url":"https://api.github.com/repos/whatwg/html/issues/3234","id":345098691,"user":{"login":"domenic","id":617481,"avatar_url":"https://avatars0.githubusercontent.com/u/617481?v=4","gravatar_id":"","url":"https://api.github.com/users/domenic","html_url":"https://github.com/domenic","followers_url":"https://api.github.com/users/domenic/followers","following_url":"https://api.github.com/users/domenic/following{/other_user}","gists_url":"https://api.github.com/users/domenic/gists{/gist_id}","starred_url":"https://api.github.com/users/domenic/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/domenic/subscriptions","organizations_url":"https://api.github.com/users/domenic/orgs","repos_url":"https://api.github.com/users/domenic/repos","events_url":"https://api.github.com/users/domenic/events{/privacy}","received_events_url":"https://api.github.com/users/domenic/received_events","type":"User","site_admin":false},"created_at":"2017-11-16T23:40:12Z","updated_at":"2017-11-16T23:40:12Z","author_association":"OWNER","body":"Wow, great find. /cc @sideshowbarker. This happens because the TOC only displays two levels deep, but we've cut up that second-level section (4.8 Embedded content) into multiple pages from the multipage edition. The only way you can really access them is via the next/previous buttons on each page. This probably occurs multiple times.\r\n\r\nI wonder if we should just expand the TOC to three levels. This is related to https://github.com/whatwg/html/issues/2793.\r\n\r\nAlternately we could say it's OK that there are pages you can only access via next/previous? That seems kind of bad though..."}}
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