[Hackage] #891: Allow unknown fields in .cabal with X- at front

[Hackage]

#891: Allow unknown fields in .cabal with X- at front
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  Reporter:  zzo38            |        Owner:         
      Type:  enhancement      |       Status:  new    
  Priority:  normal           |    Milestone:         
 Component:  miscellaneous    |      Version:  1.8.0.6
  Severity:  normal           |     Keywords:         
Difficulty:  easy (<4 hours)  |   Ghcversion:         
  Platform:                   |  
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-- 
Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/891#comment:3>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects