[GHC] #5153: System.Environment.getArgs does not UTF-8 decode arguments even in UTF-8 locale

[GHC]

#5153: System.Environment.getArgs does not UTF-8 decode arguments even in UTF-8
locale
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    Reporter:  Athas             |       Owner:                                              
        Type:  bug               |      Status:  new                                         
    Priority:  normal            |   Component:  libraries/base                              
     Version:  7.0.3             |    Keywords:  utf-8, utf8, unicode, getArgs, options, argv
    Testcase:                    |   Blockedby:                                              
          Os:  Unknown/Multiple  |    Blocking:                                              
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown                                
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 getArgs is implemented as simply dereferencing argv and returning a list
 of the octets passed as arguments, resulting in unexpected results for
 multibyte characters.  I think it would be more natural if getArgs
 performed locale-relevant decoding, and a more low-level function (perhaps
 returning ByteStrings) was available for when you really want the raw
 arguments.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5153>
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