{"action":"created","issue":{"url":"https://api.github.com/repos/symfony/symfony-docs/issues/6511","repository_url":"https://api.github.com/repos/symfony/symfony-docs","labels_url":"https://api.github.com/repos/symfony/symfony-docs/issues/6511/labels{/name}","comments_url":"https://api.github.com/repos/symfony/symfony-docs/issues/6511/comments","events_url":"https://api.github.com/repos/symfony/symfony-docs/issues/6511/events","html_url":"https://github.com/symfony/symfony-docs/pull/6511","id":150533761,"number":6511,"title":"[DependencyInjection] Improved \"optional argument\" documentation","user":{"login":"dantleech","id":530801,"avatar_url":"https://avatars.githubusercontent.com/u/530801?v=3","gravatar_id":"","url":"https://api.github.com/users/dantleech","html_url":"https://github.com/dantleech","followers_url":"https://api.github.com/users/dantleech/followers","following_url":"https://api.github.com/users/dantleech/following{/other_user}","gists_url":"https://api.github.com/users/dantleech/gists{/gist_id}","starred_url":"https://api.github.com/users/dantleech/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dantleech/subscriptions","organizations_url":"https://api.github.com/users/dantleech/orgs","repos_url":"https://api.github.com/users/dantleech/repos","events_url":"https://api.github.com/users/dantleech/events{/privacy}","received_events_url":"https://api.github.com/users/dantleech/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/symfony/symfony-docs/labels/Finished","name":"Finished","color":"009800"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":9,"created_at":"2016-04-23T08:53:10Z","updated_at":"2016-05-09T12:55:30Z","closed_at":"2016-05-09T12:54:30Z","pull_request":{"url":"https://api.github.com/repos/symfony/symfony-docs/pulls/6511","html_url":"https://github.com/symfony/symfony-docs/pull/6511","diff_url":"https://github.com/symfony/symfony-docs/pull/6511.diff","patch_url":"https://github.com/symfony/symfony-docs/pull/6511.patch"},"body":"| Q             | A\r\n| ------------- | ---\r\n| Doc fix?      | yes\r\n| New docs?     | yes\r\n| Applies to    | 2.3+/master\r\n\r\nThe `on-ignore=null` behavior of the DI container arguments is currently undocumented.\r\n\r\nTODO:\r\n\r\n- Add `- When used on a collection argument, the argument will be removed.` list item in master."},"comment":{"url":"https://api.github.com/repos/symfony/symfony-docs/issues/comments/217856343","html_url":"https://github.com/symfony/symfony-docs/pull/6511#issuecomment-217856343","issue_url":"https://api.github.com/repos/symfony/symfony-docs/issues/6511","id":217856343,"user":{"login":"xabbuh","id":1957048,"avatar_url":"https://avatars.githubusercontent.com/u/1957048?v=3","gravatar_id":"","url":"https://api.github.com/users/xabbuh","html_url":"https://github.com/xabbuh","followers_url":"https://api.github.com/users/xabbuh/followers","following_url":"https://api.github.com/users/xabbuh/following{/other_user}","gists_url":"https://api.github.com/users/xabbuh/gists{/gist_id}","starred_url":"https://api.github.com/users/xabbuh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/xabbuh/subscriptions","organizations_url":"https://api.github.com/users/xabbuh/orgs","repos_url":"https://api.github.com/users/xabbuh/repos","events_url":"https://api.github.com/users/xabbuh/events{/privacy}","received_events_url":"https://api.github.com/users/xabbuh/received_events","type":"User","site_admin":false},"created_at":"2016-05-09T12:55:30Z","updated_at":"2016-05-09T12:55:30Z","body":"Thank you @dantleech for adding this missing piece of information. I also opened #6550 so that we do not forget to update the docs for Symfony 3.1 with the changes made for invalid reference collection arguments."}}