{"action":"opened","issue":{"url":"https://api.github.com/repos/CrossRef/rest-api-doc/issues/87","labels_url":"https://api.github.com/repos/CrossRef/rest-api-doc/issues/87/labels{/name}","comments_url":"https://api.github.com/repos/CrossRef/rest-api-doc/issues/87/comments","events_url":"https://api.github.com/repos/CrossRef/rest-api-doc/issues/87/events","html_url":"https://github.com/CrossRef/rest-api-doc/issues/87","id":116861931,"number":87,"title":"multiple license.url filter","user":{"login":"ioverka","id":8920469,"avatar_url":"https://avatars.githubusercontent.com/u/8920469?v=3","gravatar_id":"","url":"https://api.github.com/users/ioverka","html_url":"https://github.com/ioverka","followers_url":"https://api.github.com/users/ioverka/followers","following_url":"https://api.github.com/users/ioverka/following{/other_user}","gists_url":"https://api.github.com/users/ioverka/gists{/gist_id}","starred_url":"https://api.github.com/users/ioverka/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ioverka/subscriptions","organizations_url":"https://api.github.com/users/ioverka/orgs","repos_url":"https://api.github.com/users/ioverka/repos","events_url":"https://api.github.com/users/ioverka/events{/privacy}","received_events_url":"https://api.github.com/users/ioverka/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-11-13T22:00:09Z","updated_at":"2015-11-13T22:00:09Z","closed_at":null,"body":"the [documentation](https://github.com/CrossRef/rest-api-doc/blob/master/rest_api.md) states:\r\n\r\n> [...] Multiple filters can be specified in a single query. In such a case, different filters will be applied \r\n> with AND semantics, while specifying the same filter multiple times will result in OR semantics [...]\r\n\r\nI'm not getting the OR to work for license.url:\r\n\r\n* http://api.crossref.org/members/78/works?filter=license.url:http://creativecommons.org/licenses/by/4.0/ -> \"total-results\":7658\r\n* http://api.crossref.org/members/78/works?filter=license.url:http://creativecommons.org/licenses/by-nc-nd/4.0/ -> \"total-results\":87983\r\n* http://api.crossref.org/members/78/works?filter=license.url:http://creativecommons.org/licenses/by-nc/4.0/ -> \"total-results\":3\r\n\r\n* \r\nhttp://api.crossref.org/members/78/works?filter=license.url:http://creativecommons.org/licenses/by/4.0/,license.url=http://creativecommons.org/licenses/by-nc/4.0/,license.url=http://creativecommons.org/licenses/by-nc-nd/4.0/ -> \"total-results\":7658\r\n\r\nWhat am I doing wrong?"}}