{"action":"opened","issue":{"url":"https://api.github.com/repos/FlorianRappl/AngleSharp/issues/118","labels_url":"https://api.github.com/repos/FlorianRappl/AngleSharp/issues/118/labels{/name}","comments_url":"https://api.github.com/repos/FlorianRappl/AngleSharp/issues/118/comments","events_url":"https://api.github.com/repos/FlorianRappl/AngleSharp/issues/118/events","html_url":"https://github.com/FlorianRappl/AngleSharp/issues/118","id":97368843,"number":118,"title":"FormDataSet.AsMultipart() first empty line problem","user":{"login":"tsu1980","id":724468,"avatar_url":"https://avatars.githubusercontent.com/u/724468?v=3","gravatar_id":"","url":"https://api.github.com/users/tsu1980","html_url":"https://github.com/tsu1980","followers_url":"https://api.github.com/users/tsu1980/followers","following_url":"https://api.github.com/users/tsu1980/following{/other_user}","gists_url":"https://api.github.com/users/tsu1980/gists{/gist_id}","starred_url":"https://api.github.com/users/tsu1980/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tsu1980/subscriptions","organizations_url":"https://api.github.com/users/tsu1980/orgs","repos_url":"https://api.github.com/users/tsu1980/repos","events_url":"https://api.github.com/users/tsu1980/events{/privacy}","received_events_url":"https://api.github.com/users/tsu1980/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-07-27T02:03:49Z","updated_at":"2015-07-27T02:03:49Z","closed_at":null,"body":"I uncountered problem that POST login form failed. server is IIS/7.5.\r\n\r\nWhen i remove first empty line in http body(following code), problem disappeared. maybe this empty line unnecessary and bad effect for IIS?\r\n\r\n```cs\r\n        public Stream AsMultipart(Encoding encoding = null)\r\n        {\r\n            encoding = encoding ?? TextEncoding.Utf8;\r\n            var ms = new MemoryStream();\r\n            CheckBoundaries(encoding);\r\n            ReplaceCharset(encoding);\r\n            var tw = new StreamWriter(ms, encoding);\r\n            //tw.WriteLine();    // bad for IIS?\r\n```\r\n\r\nAngleSharp v0.8.8\r\nuse default HttpRequester"}}