[Haddock] [haddock] #140: Support for doctest style usage blocks

[haddock]

#140: Support for doctest style usage blocks
------------------------+---------------------------------------------------
Reporter:  ezyang       |        Owner:       
    Type:  enhancement  |       Status:  new  
Priority:  major        |    Milestone:  2.8.0
 Version:  2.6.0        |   Resolution:       
Keywords:               |  
------------------------+---------------------------------------------------
Comment (by tibbe):

 We should probably not use `ghci>` as it suggests that the feature is GHC
 specific.

-- 
Ticket URL: <http://trac.haskell.org/haddock/ticket/140#comment:2>
haddock <http://www.haskell.org/haddock>
Haddock, The Haskell Documentation Tool