{"comment":{"url":"https://api.github.com/repos/ably/ably-js/comments/14896708","html_url":"https://github.com/ably/ably-js/commit/1b151df5558339d8b2fd80bbadd2375d9a138b4a#commitcomment-14896708","id":14896708,"user":{"login":"SimonWoolf","id":5908687,"avatar_url":"https://avatars.githubusercontent.com/u/5908687?v=3","gravatar_id":"","url":"https://api.github.com/users/SimonWoolf","html_url":"https://github.com/SimonWoolf","followers_url":"https://api.github.com/users/SimonWoolf/followers","following_url":"https://api.github.com/users/SimonWoolf/following{/other_user}","gists_url":"https://api.github.com/users/SimonWoolf/gists{/gist_id}","starred_url":"https://api.github.com/users/SimonWoolf/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/SimonWoolf/subscriptions","organizations_url":"https://api.github.com/users/SimonWoolf/orgs","repos_url":"https://api.github.com/users/SimonWoolf/repos","events_url":"https://api.github.com/users/SimonWoolf/events{/privacy}","received_events_url":"https://api.github.com/users/SimonWoolf/received_events","type":"User","site_admin":false},"position":33,"line":208,"path":"common/lib/client/realtimechannel.js","commit_id":"1b151df5558339d8b2fd80bbadd2375d9a138b4a","created_at":"2015-12-10T10:51:48Z","updated_at":"2015-12-10T10:51:48Z","body":"I doubt many people are going to call unsubscribe with a callback, but put it there for consistency with `#subscribe` (which mostly only has one so it can pass it to attach). 'Normal' behaviour is that it throws the error."}}