[GHC] #8919: Why is xhtml library installed but not exported to users?

[GHC]

#8919: Why is xhtml library installed but not exported to users?
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        Reporter:  simons            |            Owner:
            Type:  bug               |           Status:  merge
        Priority:  normal            |        Milestone:  7.8.3
       Component:  Build System      |          Version:  7.8.2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  Other             |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by slyfox):

 Ok, so mechanics to break ghc is to install package in ghc's private dir:
 http://www.reddit.com/r/haskell/comments/22wu92/problems_installing_ghc_782_on_debian_ubuntu_x86/

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8919#comment:25>
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