[GHC] #2507: quotation characters in error messages

[GHC]

#2507: quotation characters in error messages
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        Reporter:  Isaac Dupree      |            Owner:
            Type:  feature request   |           Status:  new
        Priority:  lowest            |        Milestone:  7.6.2
       Component:  Compiler          |          Version:  6.8.3
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:  #2811,#3398
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Comment (by ezyang):

 Here is a Bison developer running into a similar bug:
 http://lists.gnu.org/archive/html/bug-bison/2012-01/msg00120.html

 Unfortunately, he doesn't say what one ought to do to force ASCII output.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/2507#comment:25>
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