[Hackage] #194: add sanity checking to version numbers

[Hackage]

#194: add sanity checking to version numbers
----------------------------+-----------------------------------------------
  Reporter:  duncan         |        Owner:                     
      Type:  defect         |       Status:  new                
  Priority:  normal         |    Milestone:                     
 Component:  Cabal library  |      Version:  1.2.3.0            
  Severity:  normal         |   Resolution:                     
  Keywords:                 |   Difficulty:  very easy (<1 hour)
Ghcversion:  6.8.1          |     Platform:  Linux              
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Comment (by ross at soi.city.ac.uk):

 Replying to [comment:1 duncan]:
 > Turns out that there are zero packages in hackage with this kind of
 dodgy version number.

 That is not an accident; they're forbidden because they would break
 things.

-- 
Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/194#comment:2>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects