{"action":"created","issue":{"url":"https://api.github.com/repos/mathjax/MathJax/issues/661","repository_url":"https://api.github.com/repos/mathjax/MathJax","labels_url":"https://api.github.com/repos/mathjax/MathJax/issues/661/labels{/name}","comments_url":"https://api.github.com/repos/mathjax/MathJax/issues/661/comments","events_url":"https://api.github.com/repos/mathjax/MathJax/issues/661/events","html_url":"https://github.com/mathjax/MathJax/issues/661","id":22274542,"number":661,"title":"Asana \\underbrace doesn't appear in WebKit","user":{"login":"dpvc","id":432782,"avatar_url":"https://avatars.githubusercontent.com/u/432782?v=3","gravatar_id":"","url":"https://api.github.com/users/dpvc","html_url":"https://github.com/dpvc","followers_url":"https://api.github.com/users/dpvc/followers","following_url":"https://api.github.com/users/dpvc/following{/other_user}","gists_url":"https://api.github.com/users/dpvc/gists{/gist_id}","starred_url":"https://api.github.com/users/dpvc/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dpvc/subscriptions","organizations_url":"https://api.github.com/users/dpvc/orgs","repos_url":"https://api.github.com/users/dpvc/repos","events_url":"https://api.github.com/users/dpvc/events{/privacy}","received_events_url":"https://api.github.com/users/dpvc/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/mathjax/MathJax/labels/Accepted","name":"Accepted","color":"48ab4e"},{"url":"https://api.github.com/repos/mathjax/MathJax/labels/Browser%20Bug","name":"Browser Bug","color":"6C4918"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/mathjax/MathJax/milestones/5","html_url":"https://github.com/mathjax/MathJax/milestones/A%20future%20font%20release","labels_url":"https://api.github.com/repos/mathjax/MathJax/milestones/5/labels","id":760585,"number":5,"title":"A future font release","description":"Collecting font-related issues.","creator":{"login":"pkra","id":426686,"avatar_url":"https://avatars.githubusercontent.com/u/426686?v=3","gravatar_id":"","url":"https://api.github.com/users/pkra","html_url":"https://github.com/pkra","followers_url":"https://api.github.com/users/pkra/followers","following_url":"https://api.github.com/users/pkra/following{/other_user}","gists_url":"https://api.github.com/users/pkra/gists{/gist_id}","starred_url":"https://api.github.com/users/pkra/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pkra/subscriptions","organizations_url":"https://api.github.com/users/pkra/orgs","repos_url":"https://api.github.com/users/pkra/repos","events_url":"https://api.github.com/users/pkra/events{/privacy}","received_events_url":"https://api.github.com/users/pkra/received_events","type":"User","site_admin":false},"open_issues":37,"closed_issues":0,"state":"open","created_at":"2014-08-20T20:06:08Z","updated_at":"2016-07-12T07:14:53Z","due_on":null,"closed_at":null},"comments":2,"created_at":"2013-11-07T15:49:21Z","updated_at":"2016-07-14T13:38:20Z","closed_at":null,"body":"The \\underbrace doesn't show up in the Asana font in WebKit.\r\n\r\nIt appears there is a clipping bug in WebKit that is behind this.  It may be that if the clipping region lies outside the usual height and depth of the line, that WebKit doesn't draw the glyphs, even though they should be draw.\r\n\r\nA work around would be for MathJax to alter its clip region, but I'm not sure exactly what the parameters controlling the bug are.  It would probably be safe to allow the height of the clipping region to be forced to 0 if it is negative so that it does not go below the baseline."},"comment":{"url":"https://api.github.com/repos/mathjax/MathJax/issues/comments/232667629","html_url":"https://github.com/mathjax/MathJax/issues/661#issuecomment-232667629","issue_url":"https://api.github.com/repos/mathjax/MathJax/issues/661","id":232667629,"user":{"login":"dpvc","id":432782,"avatar_url":"https://avatars.githubusercontent.com/u/432782?v=3","gravatar_id":"","url":"https://api.github.com/users/dpvc","html_url":"https://github.com/dpvc","followers_url":"https://api.github.com/users/dpvc/followers","following_url":"https://api.github.com/users/dpvc/following{/other_user}","gists_url":"https://api.github.com/users/dpvc/gists{/gist_id}","starred_url":"https://api.github.com/users/dpvc/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dpvc/subscriptions","organizations_url":"https://api.github.com/users/dpvc/orgs","repos_url":"https://api.github.com/users/dpvc/repos","events_url":"https://api.github.com/users/dpvc/events{/privacy}","received_events_url":"https://api.github.com/users/dpvc/received_events","type":"User","site_admin":false},"created_at":"2016-07-14T13:38:20Z","updated_at":"2016-07-14T13:38:20Z","body":"I see it as well. It may be that when we redo the fonts for 3.0 it will go away.  I agree that it is probably not worth a report at this point."}}
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