[Hackage] #935: implementation of Distribution.Version.invertVersionRange

[Hackage]

#935: implementation of Distribution.Version.invertVersionRange
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  Reporter:  dsf                  |        Owner:          
      Type:  enhancement          |       Status:  new     
  Priority:  low                  |    Milestone:          
 Component:  Cabal library        |      Version:  1.10.2.0
  Severity:  normal               |     Keywords:          
Difficulty:  very easy (<1 hour)  |   Ghcversion:  7.4.1   
  Platform:                       |  
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 Attached is an implementation of a function to return the complement of a
 VersionRange.

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Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/935>
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