[GHC] #9618: Undocument ImpredicativeTypes

[GHC]

#9618: Undocument ImpredicativeTypes
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              Reporter:  dfeuer      |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:  7.10.1
             Component:              |          Version:  7.8.3
  Documentation                      |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Easy (less than 1
  Unknown/Multiple                   |  hour)
       Type of failure:              |       Blocked By:
  Documentation bug                  |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Changes (by dfeuer):

 * failure:  None/Unknown => Documentation bug
 * milestone:   => 7.10.1


Old description:

> I understand that Simon Peyton Jones intends to make `ImpredicativeTypes`
> work some day, but it doesn't work now. I think the thing to do for now
> is to remove it from the user manual. It can be put back in later if it's
> ever fixed.

New description:

 I understand that Simon Peyton Jones intends to make `ImpredicativeTypes`
 work some day, but it doesn't work now. I think the thing to do for now is
 to remove it from the user manual. It can be put back in later if and when
 it's fixed.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9618#comment:1>
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