[GHC] #9293: GHCI :unset -XLanguageExtension returns "don't know how to reverse -XLanguageExtension"

[GHC]

#9293: GHCI :unset -XLanguageExtension returns "don't know how to reverse
-XLanguageExtension"
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              Reporter:  jfeltz              |            Owner:  leroux
                  Type:  bug                 |           Status:  closed
              Priority:  normal              |        Milestone:  7.10.1
             Component:  GHCi                |          Version:  7.8.2
            Resolution:  fixed               |         Keywords:  newcomer
      Operating System:  Unknown/Multiple    |     Architecture:  x86
       Type of failure:  None/Unknown        |       Difficulty:  Unknown
             Test Case:  ghci/scripts/T9293  |       Blocked By:
              Blocking:                      |  Related Tickets:
Differential Revisions:  Phab:D516           |
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Changes (by thomie):

 * status:  patch => closed
 * testcase:  T9293 => ghci/scripts/T9293
 * resolution:   => fixed
 * milestone:   => 7.10.1


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9293#comment:7>
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