[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:  infoneeded
        Priority:  normal              |        Milestone:  7.10.1
       Component:  Compiler (Parser)   |          Version:  7.1
      Resolution:                      |         Keywords:  lexer unicode
Operating System:  Unknown/Multiple    |     Architecture:
 Type of failure:  None/Unknown        |  Unknown/Multiple
       Test Case:                      |       Difficulty:  Unknown
        Blocking:                      |       Blocked By:
                                       |  Related Tickets:
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Comment (by mikhail.vorozhtsov):

 Here is the
 [http://comments.gmane.org/gmane.comp.lang.haskell.glasgow.user/24760
 link] to the discussion. I came up with a proposal that avoids the whole
 "primes on operators" thing for now.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5108#comment:13>
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