{"action":"created","issue":{"url":"https://api.github.com/repos/gregorio-project/gregorio-test/issues/62","labels_url":"https://api.github.com/repos/gregorio-project/gregorio-test/issues/62/labels{/name}","comments_url":"https://api.github.com/repos/gregorio-project/gregorio-test/issues/62/comments","events_url":"https://api.github.com/repos/gregorio-project/gregorio-test/issues/62/events","html_url":"https://github.com/gregorio-project/gregorio-test/issues/62","id":122306736,"number":62,"title":"Perceptual hash is not a good enough comparison","user":{"login":"henryso","id":421318,"avatar_url":"https://avatars.githubusercontent.com/u/421318?v=3","gravatar_id":"","url":"https://api.github.com/users/henryso","html_url":"https://github.com/henryso","followers_url":"https://api.github.com/users/henryso/followers","following_url":"https://api.github.com/users/henryso/following{/other_user}","gists_url":"https://api.github.com/users/henryso/gists{/gist_id}","starred_url":"https://api.github.com/users/henryso/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/henryso/subscriptions","organizations_url":"https://api.github.com/users/henryso/orgs","repos_url":"https://api.github.com/users/henryso/repos","events_url":"https://api.github.com/users/henryso/events{/privacy}","received_events_url":"https://api.github.com/users/henryso/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":7,"created_at":"2015-12-15T16:11:44Z","updated_at":"2015-12-21T11:15:20Z","closed_at":null,"body":"I originally switched to perceptual hashing to try and work around slight font rendering differences between TeX Live versions (and perhaps OS as well).  However, perceptual hash is not detecting things like misplaced episemata, so I think we need to switch back to absolute error, but we need to re-evaluate how it performs between differing systems.\r\n\r\nI'm not in a great position to do this right now, so I'm creating this issue to track this."},"comment":{"url":"https://api.github.com/repos/gregorio-project/gregorio-test/issues/comments/166273732","html_url":"https://github.com/gregorio-project/gregorio-test/issues/62#issuecomment-166273732","issue_url":"https://api.github.com/repos/gregorio-project/gregorio-test/issues/62","id":166273732,"user":{"login":"rpspringuel","id":7671682,"avatar_url":"https://avatars.githubusercontent.com/u/7671682?v=3","gravatar_id":"","url":"https://api.github.com/users/rpspringuel","html_url":"https://github.com/rpspringuel","followers_url":"https://api.github.com/users/rpspringuel/followers","following_url":"https://api.github.com/users/rpspringuel/following{/other_user}","gists_url":"https://api.github.com/users/rpspringuel/gists{/gist_id}","starred_url":"https://api.github.com/users/rpspringuel/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rpspringuel/subscriptions","organizations_url":"https://api.github.com/users/rpspringuel/orgs","repos_url":"https://api.github.com/users/rpspringuel/repos","events_url":"https://api.github.com/users/rpspringuel/events{/privacy}","received_events_url":"https://api.github.com/users/rpspringuel/received_events","type":"User","site_admin":false},"created_at":"2015-12-21T11:15:20Z","updated_at":"2015-12-21T11:15:20Z","body":"This result passes on TeXLive 2014, but fails on TeXLive 2015 with what is basically the opposite diff from what I posted before."}}