{"action":"created","issue":{"url":"https://api.github.com/repos/dealii/dealii/issues/2322","repository_url":"https://api.github.com/repos/dealii/dealii","labels_url":"https://api.github.com/repos/dealii/dealii/issues/2322/labels{/name}","comments_url":"https://api.github.com/repos/dealii/dealii/issues/2322/comments","events_url":"https://api.github.com/repos/dealii/dealii/issues/2322/events","html_url":"https://github.com/dealii/dealii/pull/2322","id":139110821,"number":2322,"title":"Remove only one block warning.","user":{"login":"appiazzolla","id":17526820,"avatar_url":"https://avatars.githubusercontent.com/u/17526820?v=3","gravatar_id":"","url":"https://api.github.com/users/appiazzolla","html_url":"https://github.com/appiazzolla","followers_url":"https://api.github.com/users/appiazzolla/followers","following_url":"https://api.github.com/users/appiazzolla/following{/other_user}","gists_url":"https://api.github.com/users/appiazzolla/gists{/gist_id}","starred_url":"https://api.github.com/users/appiazzolla/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/appiazzolla/subscriptions","organizations_url":"https://api.github.com/users/appiazzolla/orgs","repos_url":"https://api.github.com/users/appiazzolla/repos","events_url":"https://api.github.com/users/appiazzolla/events{/privacy}","received_events_url":"https://api.github.com/users/appiazzolla/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2016-03-07T22:13:29Z","updated_at":"2016-03-07T22:42:44Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/dealii/dealii/pulls/2322","html_url":"https://github.com/dealii/dealii/pull/2322","diff_url":"https://github.com/dealii/dealii/pull/2322.diff","patch_url":"https://github.com/dealii/dealii/pull/2322.patch"},"body":"I find it not that useful and very annoying in a matrix free setup when this class is called frequently.\r\nUsing one block is not the default mode, if only one block has been chosen, it is very clear from the call to the PreconditionBlock< MatrixType, inverse_type >::AdditionalData Class constructor."},"comment":{"url":"https://api.github.com/repos/dealii/dealii/issues/comments/193489363","html_url":"https://github.com/dealii/dealii/pull/2322#issuecomment-193489363","issue_url":"https://api.github.com/repos/dealii/dealii/issues/2322","id":193489363,"user":{"login":"bangerth","id":7504421,"avatar_url":"https://avatars.githubusercontent.com/u/7504421?v=3","gravatar_id":"","url":"https://api.github.com/users/bangerth","html_url":"https://github.com/bangerth","followers_url":"https://api.github.com/users/bangerth/followers","following_url":"https://api.github.com/users/bangerth/following{/other_user}","gists_url":"https://api.github.com/users/bangerth/gists{/gist_id}","starred_url":"https://api.github.com/users/bangerth/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bangerth/subscriptions","organizations_url":"https://api.github.com/users/bangerth/orgs","repos_url":"https://api.github.com/users/bangerth/repos","events_url":"https://api.github.com/users/bangerth/events{/privacy}","received_events_url":"https://api.github.com/users/bangerth/received_events","type":"User","site_admin":false},"created_at":"2016-03-07T22:42:44Z","updated_at":"2016-03-07T22:42:44Z","body":"Can you just remove these lines altogether instead of commenting them out? "}}