[MacPorts] #46500: hs-parsec: update to 3.1.7

[MacPorts]

#46500: hs-parsec: update to 3.1.7
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  Reporter:  joelfred@…  |      Owner:  cal@…
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.3
Resolution:              |   Keywords:  haspatch
      Port:  hs-parsec   |
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Comment (by cal@…):

 Actually, please don't do that. The haskell-platform Portfile is supposed
 to provide exactly the versions that are provided in the current version
 of Haskell Platform. If we need a newer `hs-parsec`, we should provide one
 in a separate Portfile. Unless we really have to have a newer version I'd
 rather close this wontfix, though.

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Ticket URL: <https://trac.macports.org/ticket/46500#comment:4>
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