[haddock] #83: Better parse error messages when parsing the contents of Haddock comments

[haddock]

#83: Better parse error messages when parsing the contents of Haddock comments
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Reporter:  waern        |        Owner:       
    Type:  enhancement  |       Status:  new  
Priority:  major        |    Milestone:  2.6.0
 Version:  2.4.1        |   Resolution:       
Keywords:               |  
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Comment (by waern):

 The second regression has been remedied. We now print the file, line and
 column where the comment is located.

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Ticket URL: <http://trac.haskell.org/haddock/ticket/83#comment:4>
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