{"action":"created","issue":{"url":"https://api.github.com/repos/lualatex/luaotfload/issues/341","repository_url":"https://api.github.com/repos/lualatex/luaotfload","labels_url":"https://api.github.com/repos/lualatex/luaotfload/issues/341/labels{/name}","comments_url":"https://api.github.com/repos/lualatex/luaotfload/issues/341/comments","events_url":"https://api.github.com/repos/lualatex/luaotfload/issues/341/events","html_url":"https://github.com/lualatex/luaotfload/issues/341","id":150767809,"number":341,"title":"Fraction rule disappears with newtxmath and luaotfload v2.7","user":{"login":"h-kitagawa","id":3954552,"avatar_url":"https://avatars.githubusercontent.com/u/3954552?v=3","gravatar_id":"","url":"https://api.github.com/users/h-kitagawa","html_url":"https://github.com/h-kitagawa","followers_url":"https://api.github.com/users/h-kitagawa/followers","following_url":"https://api.github.com/users/h-kitagawa/following{/other_user}","gists_url":"https://api.github.com/users/h-kitagawa/gists{/gist_id}","starred_url":"https://api.github.com/users/h-kitagawa/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/h-kitagawa/subscriptions","organizations_url":"https://api.github.com/users/h-kitagawa/orgs","repos_url":"https://api.github.com/users/h-kitagawa/repos","events_url":"https://api.github.com/users/h-kitagawa/events{/privacy}","received_events_url":"https://api.github.com/users/h-kitagawa/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":4,"created_at":"2016-04-25T07:01:00Z","updated_at":"2016-04-26T12:48:08Z","closed_at":null,"body":"`\\frac12` in the following code gives a fraction “without fraction rule”.\r\nIt seems that  `\\fontdimen8` was not correctly read from ntxexx.tfm.\r\n\r\n    \\documentclass{article}\r\n    \\usepackage{luaotfload}\r\n    \\usepackage{newtxmath}\r\n    \\begin{document}\r\n    \\[ \\frac 12\\]\r\n    \\the\\fontdimen8 \\textfont3,\r\n    \\fontname\\textfont3 % --> ntxexx\r\n    \\end{document}\r\n\r\nI think it’s luaotfload issue, because the above code works fine if `\\usepackage{luaotfload}` is commented out.\r\n\r\nEDIT: I’m using TL2016 pretest (2016/04/24), LuaTeX-0.95.0 and luaotfload v2.7 2016/04/21."},"comment":{"url":"https://api.github.com/repos/lualatex/luaotfload/issues/comments/214728698","html_url":"https://github.com/lualatex/luaotfload/issues/341#issuecomment-214728698","issue_url":"https://api.github.com/repos/lualatex/luaotfload/issues/341","id":214728698,"user":{"login":"h-kitagawa","id":3954552,"avatar_url":"https://avatars.githubusercontent.com/u/3954552?v=3","gravatar_id":"","url":"https://api.github.com/users/h-kitagawa","html_url":"https://github.com/h-kitagawa","followers_url":"https://api.github.com/users/h-kitagawa/followers","following_url":"https://api.github.com/users/h-kitagawa/following{/other_user}","gists_url":"https://api.github.com/users/h-kitagawa/gists{/gist_id}","starred_url":"https://api.github.com/users/h-kitagawa/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/h-kitagawa/subscriptions","organizations_url":"https://api.github.com/users/h-kitagawa/orgs","repos_url":"https://api.github.com/users/h-kitagawa/repos","events_url":"https://api.github.com/users/h-kitagawa/events{/privacy}","received_events_url":"https://api.github.com/users/h-kitagawa/received_events","type":"User","site_admin":false},"created_at":"2016-04-26T12:48:08Z","updated_at":"2016-04-26T12:48:08Z","body":"> Here’s the output with some modifications I just put in place:\r\n\r\n`\\fontdimen8` and `\\frac` works fine with fontloader-2016-04-26.lua. Thanks.\r\n\r\nNow I looked other `\\fontdimen`s in ntxexx.tfm. Then, I got the following two differs:\r\n\r\n`\\fontdimen` | without luaotfload |with luaotfload\r\n----------- | ------------ | ------------\r\n`\\fontdimen10` | 0.00107pt | 1.67pt\r\n`\\fontdimen11` | 0.00076pt | 1.99998pt\r\n\r\nOther 11 `\\fontdimen`s are same.\r\n"}}