[GHC] #11695: On GHCi prompt the arrow (movement) keys create strange character sequences

[GHC]

#11695: On GHCi prompt the arrow (movement) keys create strange character sequences
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        Reporter:  heisenbug     |                Owner:
            Type:  bug           |               Status:  new
        Priority:  normal        |            Milestone:
       Component:  GHCi          |              Version:  8.1
      Resolution:                |             Keywords:
Operating System:  Linux         |         Architecture:  x86_64 (amd64)
 Type of failure:  None/Unknown  |            Test Case:
      Blocked By:                |             Blocking:
 Related Tickets:                |  Differential Rev(s):
       Wiki Page:                |
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Comment (by heisenbug):

 FWIW, I found this in a reddit thread, so it seems to be reproducible:
 https://www.reddit.com/r/haskell/comments/2jmdcg/ghci_uses_readline/clds4pm

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11695#comment:1>
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