[GHC] #7730: :info and polykinds

[GHC]

#7730: :info and polykinds
--------------------------------------------+------------------------------
        Reporter:  monoidal                 |            Owner:  archblob
            Type:  bug                      |           Status:  patch
        Priority:  normal                   |        Milestone:  7.10.1
       Component:  Compiler (Type checker)  |          Version:  7.6.2
      Resolution:                           |         Keywords:
Operating System:  Unknown/Multiple         |     Architecture:
 Type of failure:  None/Unknown             |  Unknown/Multiple
       Test Case:                           |       Difficulty:  Unknown
        Blocking:                           |       Blocked By:
                                            |  Related Tickets:  #8776
--------------------------------------------+------------------------------

Comment (by archblob):

 I've gone ahead and just used {{{pprTypeForUser}}} to also print the type
 in the {{{:kind!}}} command, without any modifications in
 {{{pprTypeForUser}}}.

 The second patch fixes just {{{:kind!}}} and I think it can also be
 cherry-picked for 7.8.3 as it is just a one line change that does not
 interfere with anything else.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7730#comment:50>
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