[haskeline] #89: Use Unicode-compliant case conversion

[haskeline]

#89: Use Unicode-compliant case conversion
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Reporter:  judah   |       Owner:     
    Type:  defect  |      Status:  new
Priority:  minor   |   Milestone:     
 Version:  0.6     |    Keywords:     
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 See for example http://www.serpentine.com/blog/2009/06/07/case-conversion-
 and-text-03/ .

 Probably this can wait until ghc-6.12 when we will (hopefully) depend on a
 Unicode-compliant library like `text`.

-- 
Ticket URL: <http://trac.haskell.org/haskeline/ticket/89>
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