{"action":"created","issue":{"url":"https://api.github.com/repos/scala-js/scala-js/issues/1646","labels_url":"https://api.github.com/repos/scala-js/scala-js/issues/1646/labels{/name}","comments_url":"https://api.github.com/repos/scala-js/scala-js/issues/1646/comments","events_url":"https://api.github.com/repos/scala-js/scala-js/issues/1646/events","html_url":"https://github.com/scala-js/scala-js/issues/1646","id":74079233,"number":1646,"title":"Char#isUpper behavior diverges between Scala.js/Scala-JVM","user":{"login":"lihaoyi","id":934140,"avatar_url":"https://avatars.githubusercontent.com/u/934140?v=3","gravatar_id":"","url":"https://api.github.com/users/lihaoyi","html_url":"https://github.com/lihaoyi","followers_url":"https://api.github.com/users/lihaoyi/followers","following_url":"https://api.github.com/users/lihaoyi/following{/other_user}","gists_url":"https://api.github.com/users/lihaoyi/gists{/gist_id}","starred_url":"https://api.github.com/users/lihaoyi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lihaoyi/subscriptions","organizations_url":"https://api.github.com/users/lihaoyi/orgs","repos_url":"https://api.github.com/users/lihaoyi/repos","events_url":"https://api.github.com/users/lihaoyi/events{/privacy}","received_events_url":"https://api.github.com/users/lihaoyi/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-05-07T18:19:09Z","updated_at":"2015-05-08T15:27:38Z","closed_at":null,"body":"```scala\r\nscala> ')'.isUpper\r\nfalse\r\n\r\nscala-js> ')'.isUpper\r\ntrue\r\n```\r\n\r\n`Char#isLower` also shares this behavior, discovered porting https://github.com/lihaoyi/fastparse to Scala.js"},"comment":{"url":"https://api.github.com/repos/scala-js/scala-js/issues/comments/100272930","html_url":"https://github.com/scala-js/scala-js/issues/1646#issuecomment-100272930","issue_url":"https://api.github.com/repos/scala-js/scala-js/issues/1646","id":100272930,"user":{"login":"InTheNow","id":5887373,"avatar_url":"https://avatars.githubusercontent.com/u/5887373?v=3","gravatar_id":"","url":"https://api.github.com/users/InTheNow","html_url":"https://github.com/InTheNow","followers_url":"https://api.github.com/users/InTheNow/followers","following_url":"https://api.github.com/users/InTheNow/following{/other_user}","gists_url":"https://api.github.com/users/InTheNow/gists{/gist_id}","starred_url":"https://api.github.com/users/InTheNow/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/InTheNow/subscriptions","organizations_url":"https://api.github.com/users/InTheNow/orgs","repos_url":"https://api.github.com/users/InTheNow/repos","events_url":"https://api.github.com/users/InTheNow/events{/privacy}","received_events_url":"https://api.github.com/users/InTheNow/received_events","type":"User","site_admin":false},"created_at":"2015-05-08T15:27:38Z","updated_at":"2015-05-08T15:27:38Z","body":"it is possible that this is associated with an old issue - https://github.com/scala-js/scala-js/issues/964#issuecomment-62422223 - specifically the lack of `c.isLetter` as some implementations add a call to this as part of the `isUpper` and `isLower` checks."}}