{"action":"closed","issue":{"url":"https://api.github.com/repos/IDPF/epubcheck/issues/473","labels_url":"https://api.github.com/repos/IDPF/epubcheck/issues/473/labels{/name}","comments_url":"https://api.github.com/repos/IDPF/epubcheck/issues/473/comments","events_url":"https://api.github.com/repos/IDPF/epubcheck/issues/473/events","html_url":"https://github.com/IDPF/epubcheck/issues/473","id":44712896,"number":473,"title":"\"Spine item has no NAV entry reference\" on toc.ncx","user":{"login":"jstallent","id":7989244,"avatar_url":"https://avatars.githubusercontent.com/u/7989244?v=3","gravatar_id":"","url":"https://api.github.com/users/jstallent","html_url":"https://github.com/jstallent","followers_url":"https://api.github.com/users/jstallent/followers","following_url":"https://api.github.com/users/jstallent/following{/other_user}","gists_url":"https://api.github.com/users/jstallent/gists{/gist_id}","starred_url":"https://api.github.com/users/jstallent/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jstallent/subscriptions","organizations_url":"https://api.github.com/users/jstallent/orgs","repos_url":"https://api.github.com/users/jstallent/repos","events_url":"https://api.github.com/users/jstallent/events{/privacy}","received_events_url":"https://api.github.com/users/jstallent/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/IDPF/epubcheck/labels/bug","name":"bug","color":"fc2929"}],"state":"closed","locked":false,"assignee":{"login":"rdeltour","id":520889,"avatar_url":"https://avatars.githubusercontent.com/u/520889?v=3","gravatar_id":"","url":"https://api.github.com/users/rdeltour","html_url":"https://github.com/rdeltour","followers_url":"https://api.github.com/users/rdeltour/followers","following_url":"https://api.github.com/users/rdeltour/following{/other_user}","gists_url":"https://api.github.com/users/rdeltour/gists{/gist_id}","starred_url":"https://api.github.com/users/rdeltour/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rdeltour/subscriptions","organizations_url":"https://api.github.com/users/rdeltour/orgs","repos_url":"https://api.github.com/users/rdeltour/repos","events_url":"https://api.github.com/users/rdeltour/events{/privacy}","received_events_url":"https://api.github.com/users/rdeltour/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/IDPF/epubcheck/milestones/2","html_url":"https://github.com/IDPF/epubcheck/milestones/4.0","labels_url":"https://api.github.com/repos/IDPF/epubcheck/milestones/2/labels","id":701817,"number":2,"title":"4.0","description":"","creator":{"login":"tofi86","id":365118,"avatar_url":"https://avatars.githubusercontent.com/u/365118?v=3","gravatar_id":"","url":"https://api.github.com/users/tofi86","html_url":"https://github.com/tofi86","followers_url":"https://api.github.com/users/tofi86/followers","following_url":"https://api.github.com/users/tofi86/following{/other_user}","gists_url":"https://api.github.com/users/tofi86/gists{/gist_id}","starred_url":"https://api.github.com/users/tofi86/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tofi86/subscriptions","organizations_url":"https://api.github.com/users/tofi86/orgs","repos_url":"https://api.github.com/users/tofi86/repos","events_url":"https://api.github.com/users/tofi86/events{/privacy}","received_events_url":"https://api.github.com/users/tofi86/received_events","type":"User","site_admin":false},"open_issues":34,"closed_issues":47,"state":"open","created_at":"2014-06-25T21:04:37Z","updated_at":"2015-06-15T08:59:19Z","due_on":null,"closed_at":null},"comments":1,"created_at":"2014-10-02T17:18:47Z","updated_at":"2015-06-15T08:59:19Z","closed_at":"2015-06-15T08:59:19Z","body":"I have been testing a backwards-compatible EPUB 3 file, which contains an NCX in addition to the HTML NavDoc. This message is given:\r\n\r\n <message>OPF-059, HINT, [Spine item has no NAV entry reference.], OEBPS/toc.ncx</message>\r\n\r\nThe NCX is not listed as an <itemref...> in the spine, just in the <spine toc=\"toc\"> the way it is done in EPUB 2, so it is not a content document or a spine item and it should not be generating a message about not being listed in the HTML NavDoc.\r\n\r\nSample file available here: http://ebookarchitects.com/files/TheTexanScouts_EPUB3.epub"}}