[GHC] #1633: Improve error message for kind mismatches

[GHC]

#1633: Improve error message for kind mismatches
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    Reporter:  guest             |        Owner:                  
        Type:  feature request   |       Status:  new             
    Priority:  normal            |    Milestone:  6.12 branch     
   Component:  Documentation     |      Version:  6.6.1           
    Severity:  normal            |   Resolution:                  
    Keywords:                    |   Difficulty:  Unknown         
    Testcase:                    |           Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |  
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Changes (by simonmar):

  * summary:  Now where does this error come from => Improve error message
              for kind mismatches

Comment:

 Adding a more descriptive description

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1633#comment:8>
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