[GHC] #7650: can't use combining characters in identifiers

[GHC]

#7650: can't use combining characters in identifiers
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    Reporter:  guest     |       Owner:              
        Type:  bug       |      Status:  new         
    Priority:  normal    |   Milestone:  7.8.1       
   Component:  Compiler  |     Version:  7.6.2       
    Keywords:            |          Os:  Linux       
Architecture:  x86       |     Failure:  None/Unknown
  Difficulty:  Unknown   |    Testcase:              
   Blockedby:            |    Blocking:              
     Related:            |  
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Comment(by batterseapower):

 Possibly fixable by rewriting the lexer to use alex 3...

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7650#comment:3>
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