{"action":"opened","issue":{"url":"https://api.github.com/repos/def-/ghc-vis/issues/8","labels_url":"https://api.github.com/repos/def-/ghc-vis/issues/8/labels{/name}","comments_url":"https://api.github.com/repos/def-/ghc-vis/issues/8/comments","events_url":"https://api.github.com/repos/def-/ghc-vis/issues/8/events","html_url":"https://github.com/def-/ghc-vis/issues/8","id":81996693,"number":8,"title":"\"Command not found: dot\"","user":{"login":"jhafranco","id":532856,"avatar_url":"https://avatars.githubusercontent.com/u/532856?v=3","gravatar_id":"","url":"https://api.github.com/users/jhafranco","html_url":"https://github.com/jhafranco","followers_url":"https://api.github.com/users/jhafranco/followers","following_url":"https://api.github.com/users/jhafranco/following{/other_user}","gists_url":"https://api.github.com/users/jhafranco/gists{/gist_id}","starred_url":"https://api.github.com/users/jhafranco/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jhafranco/subscriptions","organizations_url":"https://api.github.com/users/jhafranco/orgs","repos_url":"https://api.github.com/users/jhafranco/repos","events_url":"https://api.github.com/users/jhafranco/events{/privacy}","received_events_url":"https://api.github.com/users/jhafranco/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-05-28T15:51:33Z","updated_at":"2015-05-28T15:51:33Z","closed_at":null,"body":"I am not able to visualize Haskell expressions using ghc-vis on Ubuntu. A simplified GHCi session transcript follows:\r\n\r\n$ ghci\r\nGHCi, version 7.6.3: http://www.haskell.org/ghc/  :? for help\r\n...\r\nλ: :vis\r\nLoading package array-0.4.0.1 ... linking ... done.\r\n...\r\nLoading package xdot-0.2.4.7 ... linking ... done.\r\nLoading package ghc-vis-0.7.2.7 ... linking ... done.\r\n(visualization window appears)\r\nλ: let x = head [1 .. 5]\r\nλ: :view x\r\n<interactive>: Command not found: dot\r\nλ: "}}