{"action":"closed","issue":{"url":"https://api.github.com/repos/ipython/ipython/issues/8754","labels_url":"https://api.github.com/repos/ipython/ipython/issues/8754/labels{/name}","comments_url":"https://api.github.com/repos/ipython/ipython/issues/8754/comments","events_url":"https://api.github.com/repos/ipython/ipython/issues/8754/events","html_url":"https://github.com/ipython/ipython/issues/8754","id":102265287,"number":8754,"title":"MathJax not rendering { n \\choose k} correctly.","user":{"login":"vsbuffalo","id":160549,"avatar_url":"https://avatars.githubusercontent.com/u/160549?v=3","gravatar_id":"","url":"https://api.github.com/users/vsbuffalo","html_url":"https://github.com/vsbuffalo","followers_url":"https://api.github.com/users/vsbuffalo/followers","following_url":"https://api.github.com/users/vsbuffalo/following{/other_user}","gists_url":"https://api.github.com/users/vsbuffalo/gists{/gist_id}","starred_url":"https://api.github.com/users/vsbuffalo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/vsbuffalo/subscriptions","organizations_url":"https://api.github.com/users/vsbuffalo/orgs","repos_url":"https://api.github.com/users/vsbuffalo/repos","events_url":"https://api.github.com/users/vsbuffalo/events{/privacy}","received_events_url":"https://api.github.com/users/vsbuffalo/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":7,"created_at":"2015-08-21T00:06:15Z","updated_at":"2015-08-24T16:55:47Z","closed_at":"2015-08-24T16:55:47Z","body":"Notebooks containing binomial coefficients in markdown cells no longer render binomial coefficients correctly. Instead, there's a 404:\r\n\r\n    [W 16:55:41.491 NotebookApp] 404 GET /static/components/MathJax/extensions/TeX/mathchoice.js?rev=2.5.3 (::1) 6.92ms referer=http://localhost:8888/notebooks/x-ancestry.ipynb\r\n\r\nand the image is displayed as following:\r\n\r\n<img width=\"343\" alt=\"screen shot 2015-08-20 at 4 21 46 pm\" src=\"https://cloud.githubusercontent.com/assets/160549/9398577/702d8376-475d-11e5-9f7e-f17059bdddeb.png\">.\r\n\r\nI've confirmed this problem exists on a colleague's machine (Python 2.7.5) as well as my current machine:\r\n\r\n    $ python -c \"import IPython; print(IPython.sys_info())\"\r\n\r\n    {'commit_hash': u'7905947',\r\n     'commit_source': 'installation',\r\n     'default_encoding': 'UTF-8',\r\n     'ipython_path': '/usr/local/lib/python2.7/site-packages/IPython',\r\n     'ipython_version': '4.0.0-dev',\r\n     'os_name': 'posix',\r\n     'platform': 'Darwin-14.4.0-x86_64-i386-64bit',\r\n     'sys_executable': '/usr/local/opt/python/bin/python2.7',\r\n     'sys_platform': 'darwin',\r\n     'sys_version': '2.7.9 (default, Feb 10 2015, 03:28:08) \\n[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.56)]'}"}}