[GHC] #9394: Show data/type family instances with ghci's :info command

[GHC]

#9394: Show data/type family instances with ghci's :info command
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        Reporter:  s9gf4ult          |                Owner:  javran
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  GHCi              |              Version:  7.6.3
      Resolution:                    |             Keywords:  ghci newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by thomie):

 javran: did you make any progress with this ticket? Maybe just some notes
 that you could contribute, such that someone else can take over? Come over
 to the #ghc irc channel if you need help, there are usually people around
 all day there.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9394#comment:8>
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