To reproduce: - start a windows console - change the console's font to a ttf unicode font, like "Lucida Console". - type "chcp 65001" to set it to the UTF-8 code page. - start ghci (same error appears when running compiled executable) - \> import System.IO (or GHC.IO.Handle) - \> enc \<- mkTextEncoding "UTF8" - \> hSetEncoding stdin enc - \> getLine - \> Фывфыв (or any international unicode sequence) - \*\* Exception: \<stdin\>: hGetLine: end of file <details><summary>Trac metadata</summary> | Trac field | Value | | ---------------------- | ------------ | | Version | 7.8.3 | | Type | Bug | | TypeOfFailure | OtherFailure | | Priority | high | | Resolution | Unresolved | | Component | Compiler | | Test case | | | Differential revisions | | | BlockedBy | | | Related | #4471 | | Blocking | | | CC | | | Operating system | | | Architecture | | </details> <!-- {"blocked_by":[],"summary":"Incorrect Unicode input on Windows Console","status":"New","operating_system":"","component":"Compiler","related":[4471],"milestone":"","resolution":"Unresolved","owner":{"tag":"Unowned"},"version":"7.8.3","keywords":["65001","chcp","cmd","getLine","stdin","utf-8","windows"],"differentials":[],"test_case":"","architecture":"","cc":[""],"type":"Bug","description":"To reproduce:\r\n- start a windows console\r\n- change the console's font to a ttf unicode font, like \"Lucida Console\".\r\n- type \"chcp 65001\" to set it to the UTF-8 code page.\r\n- start ghci (same error appears when running compiled executable)\r\n- > import System.IO (or GHC.IO.Handle)\r\n- > enc <- mkTextEncoding \"UTF8\"\r\n- > hSetEncoding stdin enc\r\n- > getLine\r\n- > Фывфыв (or any international unicode sequence)\r\n*** Exception: <stdin>: hGetLine: end of file\r\n","type_of_failure":"OtherFailure","blocking":[]} -->