[GHC] #1990: Add 'subsequences' and 'permutations' to Data.List

[GHC]

#1990: Add 'subsequences' and 'permutations' to Data.List
-------------------------------------+-------------------------------------
        Reporter:  twanvl            |                   Owner:  igloo
            Type:  proposal          |                  Status:  closed
        Priority:  high              |               Milestone:  6.10
       Component:  libraries/base    |  branch
      Resolution:  fixed             |                 Version:  6.8.1
Operating System:  Unknown/Multiple  |                Keywords:  report-
 Type of failure:  None/Unknown      |  impact
      Blocked By:                    |            Architecture:
 Related Tickets:                    |  Unknown/Multiple
                                     |               Test Case:
                                     |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by hvr):

 * cc: hvr, ekmett (added)
 * failure:   => None/Unknown
 * keywords:   => report-impact


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/1990#comment:7>
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