[GHC] #11529: Show instance of Char should print literals for non-ascii printable charcters

[GHC]

#11529: Show instance of Char should print literals for non-ascii printable
charcters
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        Reporter:  nushio            |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 This recently come up again on ghc-devs,
 https://mail.haskell.org/pipermail/ghc-devs/2016-March/011655.html. It has
 also come up repeatedly in the past as pointed out in that thread,

 • 2016: https://mail.haskell.org/pipermail/haskell-
 cafe/2016-February/122874.html
 • 2012: http://stackoverflow.com/questions/14039726/how-to-make-haskell-
 or-ghci-able-to-show-chinese-characters-and-run-chinese-char
 • 2012 again: https://mail.haskell.org/pipermail/haskell-
 cafe/2012-July/102569.html
 • 2011: http://stackoverflow.com/questions/5535512/how-to-hack-ghci-or-
 hugs-so-that-it-prints-unicode-chars-unescaped
 • 2010: https://mail.haskell.org/pipermail/haskell-
 cafe/2010-August/082823.html

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11529#comment:13>
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