{"action":"reopened","issue":{"url":"https://api.github.com/repos/behdad/fonttools/issues/314","repository_url":"https://api.github.com/repos/behdad/fonttools","labels_url":"https://api.github.com/repos/behdad/fonttools/issues/314/labels{/name}","comments_url":"https://api.github.com/repos/behdad/fonttools/issues/314/comments","events_url":"https://api.github.com/repos/behdad/fonttools/issues/314/events","html_url":"https://github.com/behdad/fonttools/issues/314","id":92518542,"number":314,"title":"Is \"UserWarning: excess data in 'kern' subtable\" a problem?","user":{"login":"davelab6","id":261579,"avatar_url":"https://avatars.githubusercontent.com/u/261579?v=3","gravatar_id":"","url":"https://api.github.com/users/davelab6","html_url":"https://github.com/davelab6","followers_url":"https://api.github.com/users/davelab6/followers","following_url":"https://api.github.com/users/davelab6/following{/other_user}","gists_url":"https://api.github.com/users/davelab6/gists{/gist_id}","starred_url":"https://api.github.com/users/davelab6/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/davelab6/subscriptions","organizations_url":"https://api.github.com/users/davelab6/orgs","repos_url":"https://api.github.com/users/davelab6/repos","events_url":"https://api.github.com/users/davelab6/events{/privacy}","received_events_url":"https://api.github.com/users/davelab6/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":13,"created_at":"2015-07-02T00:56:02Z","updated_at":"2016-08-08T20:06:32Z","closed_at":null,"body":"I noticed this warning with ttx'ing Open Sans Bold; the other styles in Open Sans don't have this issue:\r\n\r\n```sh\r\n$ git clone https://github.com/google/fonts.git ; \r\n$ ttx fonts/apache/opensans/OpenSans-Bold.ttf ;\r\nDumping \"OpenSans-Bold.ttf\" to \"OpenSans-Bold.ttx\"...\r\nDumping 'GlyphOrder' table...\r\nDumping 'head' table...\r\nDumping 'hhea' table...\r\nDumping 'maxp' table...\r\nDumping 'OS/2' table...\r\nDumping 'hmtx' table...\r\nDumping 'cmap' table...\r\nDumping 'fpgm' table...\r\nDumping 'prep' table...\r\nDumping 'cvt ' table...\r\nDumping 'loca' table...\r\nDumping 'glyf' table...\r\n/Library/Python/2.7/site-packages/fonttools-2.5-py2.7.egg/fontTools/ttLib/tables/_k_e_r_n.py:121: UserWarning: excess data in 'kern' subtable: 46628 bytes\r\nDumping 'kern' table...\r\nDumping 'name' table...\r\nDumping 'post' table...\r\nDumping 'gasp' table...\r\nDumping 'GDEF' table...\r\nDumping 'GPOS' table...\r\nDumping 'GSUB' table...\r\nDumping 'DSIG' table...\r\n$ ttx OpenSans-Bold.ttx ;\r\n$ ls -l OpenSans-Bold.ttf OpenSans-Bold#1.ttf ;\r\n-rw-r--r--  1 user  group   158,720 Jul  1 20:53 OpenSans-Bold#1.ttf\r\n-rw-r--r--  1 user  group   224,592 Jan 15 16:28 OpenSans-Bold.ttf\r\n```\r\n\r\nSince the data doesn't round trip, I guess its a bug in Open Sans, but before reporting this to the developer, I thought I'd file an issue to better understand this error :)"}}
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