#6108: Haddock's prune option is not regarded for DEPRECATED things

#6108: Haddock's prune option is not regarded for DEPRECATED things
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 Reporter:  SimonHengel       |          Owner:                  
     Type:  bug               |         Status:  new             
 Priority:  normal            |      Component:  Documentation   
  Version:  7.4.2-rc1         |       Keywords:                  
       Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
  Failure:  None/Unknown      |       Testcase:                  
Blockedby:                    |       Blocking:                  
  Related:                    |  
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 I introduced this regression when I extended Haddock, so that it adds
 deprecation messages for deprecated things to the generated documentation.

 This may not sound critical, but it is a rather common use case to prune
 documentation for deprecated things.  That way you can keep deprecated
 stuff around for backward compatibility without cluttering the
 documentation.

 I'd tend to disable the feature for now (a patch set is on my
 [https://github.com/sol/haddock/tree/disable-support-for-warnings disable-
 support-for-warnings] branch).

 Alternatively we could apply a fix for the issue.  I have a patch set for
 that on my [https://github.com/sol/haddock/tree/fix-warning-support fix-
 warning-support] branch.  But it is not a trivial change.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6108>