{"action":"opened","issue":{"url":"https://api.github.com/repos/Benvie/JavaScriptNext.tmLanguage/issues/62","labels_url":"https://api.github.com/repos/Benvie/JavaScriptNext.tmLanguage/issues/62/labels{/name}","comments_url":"https://api.github.com/repos/Benvie/JavaScriptNext.tmLanguage/issues/62/comments","events_url":"https://api.github.com/repos/Benvie/JavaScriptNext.tmLanguage/issues/62/events","html_url":"https://github.com/Benvie/JavaScriptNext.tmLanguage/issues/62","id":54382124,"number":62,"title":"class Foo extends mixin(Bar, SomeTrait)","user":{"login":"lukescott","id":486224,"avatar_url":"https://avatars.githubusercontent.com/u/486224?v=3","gravatar_id":"","url":"https://api.github.com/users/lukescott","html_url":"https://github.com/lukescott","followers_url":"https://api.github.com/users/lukescott/followers","following_url":"https://api.github.com/users/lukescott/following{/other_user}","gists_url":"https://api.github.com/users/lukescott/gists{/gist_id}","starred_url":"https://api.github.com/users/lukescott/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lukescott/subscriptions","organizations_url":"https://api.github.com/users/lukescott/orgs","repos_url":"https://api.github.com/users/lukescott/repos","events_url":"https://api.github.com/users/lukescott/events{/privacy}","received_events_url":"https://api.github.com/users/lukescott/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-01-14T21:52:47Z","updated_at":"2015-01-14T21:52:47Z","closed_at":null,"body":"The following code does not color correctly:\r\n\r\n```\r\nclass Foo extends mixin(Bar, SomeTrait) {...}\r\n```\r\n\r\nCorrect:\r\n![screen shot 2015-01-14 at 1 49 13 pm](https://cloud.githubusercontent.com/assets/486224/5748373/4023783a-9bf4-11e4-86c4-ea314c185b22.png)\r\n\r\nIncorrect (would expect it to be more like the above):\r\n![screen shot 2015-01-14 at 1 49 00 pm](https://cloud.githubusercontent.com/assets/486224/5748385/5a4ceebc-9bf4-11e4-81af-20e06816653c.png)\r\n\r\nAs far as I can tell, this is valid syntax, and an accepted practice, as a workaround until ES7:\r\n\r\nhttps://www.google.com/webhp#q=es6%20mixin%20extend%20class"}}