{"action":"opened","issue":{"url":"https://api.github.com/repos/mathjax/MathJax/issues/1245","labels_url":"https://api.github.com/repos/mathjax/MathJax/issues/1245/labels{/name}","comments_url":"https://api.github.com/repos/mathjax/MathJax/issues/1245/comments","events_url":"https://api.github.com/repos/mathjax/MathJax/issues/1245/events","html_url":"https://github.com/mathjax/MathJax/issues/1245","id":103517784,"number":1245,"title":"ASCIIMath parsing: {: :} within {: :}","user":{"login":"karbuncle","id":11941540,"avatar_url":"https://avatars.githubusercontent.com/u/11941540?v=3","gravatar_id":"","url":"https://api.github.com/users/karbuncle","html_url":"https://github.com/karbuncle","followers_url":"https://api.github.com/users/karbuncle/followers","following_url":"https://api.github.com/users/karbuncle/following{/other_user}","gists_url":"https://api.github.com/users/karbuncle/gists{/gist_id}","starred_url":"https://api.github.com/users/karbuncle/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/karbuncle/subscriptions","organizations_url":"https://api.github.com/users/karbuncle/orgs","repos_url":"https://api.github.com/users/karbuncle/repos","events_url":"https://api.github.com/users/karbuncle/events{/privacy}","received_events_url":"https://api.github.com/users/karbuncle/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-08-27T14:01:38Z","updated_at":"2015-08-27T14:01:38Z","closed_at":null,"body":"It seems to cause Math processing error whenever the pair of brackets `{: :}` is wrapped in another pair of brackets `{: :}`, and is the only thing in that bracket.\r\n\r\nExamples:\r\n````\r\nnot ok {: {::} :}\r\nnot ok {: {:     :}    :}\r\n\r\nok {: {:  something :} :}\r\nok {: {:  :} something :}\r\n````"}}