[GHC] #5057: poor parser error message

[GHC]

#5057: poor parser error message
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    Reporter:  duncan             |        Owner:              
        Type:  feature request    |       Status:  new         
    Priority:  normal             |    Milestone:              
   Component:  Compiler (Parser)  |      Version:  6.12.3      
    Keywords:                     |     Testcase:              
   Blockedby:                     |   Difficulty:              
          Os:  Unknown/Multiple   |     Blocking:              
Architecture:  Unknown/Multiple   |      Failure:  None/Unknown
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Comment(by simonmar):

 We're collecting these in #459.  I agree we need to do better, but you're
 right that Happy doesn't make this easy.  Frown doesn't seem to exist any
 more (it's not on Hackage, and its web page has disappeared).

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5057#comment:1>
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