{"action":"opened","issue":{"url":"https://api.github.com/repos/mathjax/MathJax-RespEq/issues/105","repository_url":"https://api.github.com/repos/mathjax/MathJax-RespEq","labels_url":"https://api.github.com/repos/mathjax/MathJax-RespEq/issues/105/labels{/name}","comments_url":"https://api.github.com/repos/mathjax/MathJax-RespEq/issues/105/comments","events_url":"https://api.github.com/repos/mathjax/MathJax-RespEq/issues/105/events","html_url":"https://github.com/mathjax/MathJax-RespEq/issues/105","id":153621327,"number":105,"title":"Complexity","user":{"login":"zorkow","id":5717215,"avatar_url":"https://avatars.githubusercontent.com/u/5717215?v=3","gravatar_id":"","url":"https://api.github.com/users/zorkow","html_url":"https://github.com/zorkow","followers_url":"https://api.github.com/users/zorkow/followers","following_url":"https://api.github.com/users/zorkow/following{/other_user}","gists_url":"https://api.github.com/users/zorkow/gists{/gist_id}","starred_url":"https://api.github.com/users/zorkow/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zorkow/subscriptions","organizations_url":"https://api.github.com/users/zorkow/orgs","repos_url":"https://api.github.com/users/zorkow/repos","events_url":"https://api.github.com/users/zorkow/events{/privacy}","received_events_url":"https://api.github.com/users/zorkow/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-05-07T22:24:53Z","updated_at":"2016-05-07T22:24:53Z","closed_at":null,"body":"data-semantic-complexity can appear twice in MathML element. That leads to an XML error at my end.\r\nI believe it only happens for mactions on the top level.\r\nExample expression:\r\n\r\ni = 1, 2, \\ldots, n+1"}}