[GHC] #2393: Text.PrettyPrint.HughesPJ: Bug fixes, performance improvement

[GHC]

#2393: Text.PrettyPrint.HughesPJ: Bug fixes, performance improvement
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 Reporter:  guest             |          Owner:         
     Type:  bug               |         Status:  new    
 Priority:  normal            |      Milestone:         
Component:  libraries/pretty  |        Version:  6.8.3  
 Severity:  normal            |     Resolution:         
 Keywords:                    |     Difficulty:  Unknown
 Testcase:                    |   Architecture:  Unknown
       Os:  Unknown           |  
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Comment (by igloo):

 `HughesPJ.patch` has been applied

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2393#comment:4>
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