{"action":"created","issue":{"url":"https://api.github.com/repos/WebAssembly/design/issues/606","repository_url":"https://api.github.com/repos/WebAssembly/design","labels_url":"https://api.github.com/repos/WebAssembly/design/issues/606/labels{/name}","comments_url":"https://api.github.com/repos/WebAssembly/design/issues/606/comments","events_url":"https://api.github.com/repos/WebAssembly/design/issues/606/events","html_url":"https://github.com/WebAssembly/design/pull/606","id":140320010,"number":606,"title":"Forward compatibility for unused bitfield bits","user":{"login":"naturaltransformation","id":13316467,"avatar_url":"https://avatars.githubusercontent.com/u/13316467?v=3","gravatar_id":"","url":"https://api.github.com/users/naturaltransformation","html_url":"https://github.com/naturaltransformation","followers_url":"https://api.github.com/users/naturaltransformation/followers","following_url":"https://api.github.com/users/naturaltransformation/following{/other_user}","gists_url":"https://api.github.com/users/naturaltransformation/gists{/gist_id}","starred_url":"https://api.github.com/users/naturaltransformation/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/naturaltransformation/subscriptions","organizations_url":"https://api.github.com/users/naturaltransformation/orgs","repos_url":"https://api.github.com/users/naturaltransformation/repos","events_url":"https://api.github.com/users/naturaltransformation/events{/privacy}","received_events_url":"https://api.github.com/users/naturaltransformation/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2016-03-11T23:48:10Z","updated_at":"2016-03-12T10:02:37Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/WebAssembly/design/pulls/606","html_url":"https://github.com/WebAssembly/design/pull/606","diff_url":"https://github.com/WebAssembly/design/pull/606.diff","patch_url":"https://github.com/WebAssembly/design/pull/606.patch"},"body":"The remaining bits in the flag are underspecified. We should consider specifying them."},"comment":{"url":"https://api.github.com/repos/WebAssembly/design/issues/comments/195708088","html_url":"https://github.com/WebAssembly/design/pull/606#issuecomment-195708088","issue_url":"https://api.github.com/repos/WebAssembly/design/issues/606","id":195708088,"user":{"login":"rossberg-chromium","id":4247099,"avatar_url":"https://avatars.githubusercontent.com/u/4247099?v=3","gravatar_id":"","url":"https://api.github.com/users/rossberg-chromium","html_url":"https://github.com/rossberg-chromium","followers_url":"https://api.github.com/users/rossberg-chromium/followers","following_url":"https://api.github.com/users/rossberg-chromium/following{/other_user}","gists_url":"https://api.github.com/users/rossberg-chromium/gists{/gist_id}","starred_url":"https://api.github.com/users/rossberg-chromium/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rossberg-chromium/subscriptions","organizations_url":"https://api.github.com/users/rossberg-chromium/orgs","repos_url":"https://api.github.com/users/rossberg-chromium/repos","events_url":"https://api.github.com/users/rossberg-chromium/events{/privacy}","received_events_url":"https://api.github.com/users/rossberg-chromium/received_events","type":"User","site_admin":false},"created_at":"2016-03-12T10:02:37Z","updated_at":"2016-03-12T10:02:37Z","body":"@JSStats, forward compatibility requires fixing them. If we allowed arbitrary values for those bits now then we could never assign them a specified meaning later without the risk of breaking existing modules."}}