[Hackage] #232: implement extended syntax for package version ranges

[Hackage]

#232: implement extended syntax for package version ranges
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  Reporter:  duncan         |        Owner:  nominolo 
      Type:  enhancement    |       Status:  new      
  Priority:  normal         |    Milestone:  Cabal-1.6
 Component:  Cabal library  |      Version:  1.2.3.0  
  Severity:  normal         |   Resolution:           
  Keywords:                 |   Difficulty:  normal   
Ghcversion:  6.8.2          |     Platform:           
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Comment (by duncan):

 Note that if the `foo ~ 1.2.1+` syntax is too confusing we could do with
 just `foo ~ 1.2.* && >= 1.2.1`. It also allows to depend on a micro
 release that fixes a bug like `foo ~ 1.2.* && >= 1.2.0.1`.

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Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/232#comment:2>
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Hackage: Cabal and related projects