[GHC] #10453: \case should trigger auto-multiline mode in ghci

[GHC]

#10453: \case should trigger auto-multiline mode in ghci
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        Reporter:  dmwit             |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5236
       Wiki Page:                    |
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Changes (by harpocrates):

 * differential:   => Phab:D5236


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10453#comment:1>
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