[haddock] #119: empty lines in a do block

[haddock]

#119: empty lines in a do block
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Reporter:  bastl   |        Owner:       
    Type:  defect  |       Status:  new  
Priority:  major   |    Milestone:  2.5.0
 Version:  2.4.2   |   Resolution:       
Keywords:          |  
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Comment (by bastl):

 to reproduce issue 'cabal haddock --executables'

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Ticket URL: <http://trac.haskell.org/haddock/ticket/119#comment:1>
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