[Haddock] [haddock] #258: Add flag to show undocumented entities in haddock output

[haddock]

#258: Add flag to show undocumented entities in haddock output
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Reporter:  bjp          |       Owner:     
    Type:  enhancement  |      Status:  new
Priority:  major        |   Milestone:     
 Version:               |    Keywords:     
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 I have a library where I aim to have a 100% documentation coverage. While
 the documentation percentage output by haddock helps to make sure
 everything is documented, if I miss something I have to manually search
 for missing documentation.

 Therefore, I would really appreciate it to persuade haddock to list
 undocumented entities, something like


 {{{
 Test.hs:1:1:
     Missing module documentation

 Test.hs:5:1:
     Missing documentation for function `f'
 }}}

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Ticket URL: <http://trac.haskell.org/haddock/ticket/258>
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