{"action":"closed","issue":{"url":"https://api.github.com/repos/mathjax/MathJax/issues/1212","labels_url":"https://api.github.com/repos/mathjax/MathJax/issues/1212/labels{/name}","comments_url":"https://api.github.com/repos/mathjax/MathJax/issues/1212/comments","events_url":"https://api.github.com/repos/mathjax/MathJax/issues/1212/events","html_url":"https://github.com/mathjax/MathJax/issues/1212","id":95961358,"number":1212,"title":"Number of mo elements for vartriangleleft vs urcorner ","user":{"login":"physikerwelt","id":2777736,"avatar_url":"https://avatars.githubusercontent.com/u/2777736?v=3","gravatar_id":"","url":"https://api.github.com/users/physikerwelt","html_url":"https://github.com/physikerwelt","followers_url":"https://api.github.com/users/physikerwelt/followers","following_url":"https://api.github.com/users/physikerwelt/following{/other_user}","gists_url":"https://api.github.com/users/physikerwelt/gists{/gist_id}","starred_url":"https://api.github.com/users/physikerwelt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/physikerwelt/subscriptions","organizations_url":"https://api.github.com/users/physikerwelt/orgs","repos_url":"https://api.github.com/users/physikerwelt/repos","events_url":"https://api.github.com/users/physikerwelt/events{/privacy}","received_events_url":"https://api.github.com/users/physikerwelt/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/mathjax/MathJax/labels/Expected%20Behavior","name":"Expected Behavior","color":"3463b3"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-07-20T00:17:12Z","updated_at":"2015-07-24T15:40:46Z","closed_at":"2015-07-24T15:40:46Z","body":"On https://phabricator.wikimedia.org/T105318 @fred-wang wrote:\r\n\r\n```\r\nI don't whether it's a bug or a feature but on https://en.wikipedia.org/wiki/Help:Displaying_a_formula\r\n\r\nI see that\r\n\r\n    \"\\ulcorner \\urcorner \\llcorner \\lrcorner\" generates 4 characters, each one in its own <mo> element while\r\n\r\n    while \"\\vartriangleleft \\ntriangleleft \\vartriangleright \\ntriangleright\" puts the 4 characters in the same <mo> element.\r\n\r\nI'm not sure this situation happens in \"real\" math, though.\r\n```\r\nCan someone explan why this is the case?"}}