[GHC] #5108: Allow unicode sub/superscript symbols in both identifiers and operators

[GHC]

#5108: Allow unicode sub/superscript symbols in both identifiers and operators
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    Reporter:  mikhail.vorozhtsov  |        Owner:              
        Type:  feature request     |       Status:  patch       
    Priority:  normal              |    Milestone:  7.4.1       
   Component:  Compiler (Parser)   |      Version:  7.1         
    Keywords:  lexer unicode       |     Testcase:              
   Blockedby:                      |   Difficulty:              
          Os:  Unknown/Multiple    |     Blocking:              
Architecture:  Unknown/Multiple    |      Failure:  None/Unknown
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Comment(by mikhail.vorozhtsov):

 rebased

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5108#comment:3>
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