[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 judahj):

 Let's try this.  Can you please download the file Read.hs from:
 https://gist.github.com/judah/5c5ad518bb43d235efba4fa8f1e9953a

 And run (in the same terminal/environment that you have the ghci problem):
 {{{
 ghc Read.hs
 ./Read
 }}}

 Then press some letter keys and some arrow keys, and let me know what the
 output is?
 For example, on my terminal:
 {{{
 $ ./Prompt
 "a"
 "s"
 "d"
 "\ESC[D"
 "\ESC[B"
 "\ESC[A"
 }}}
 The last three lines are from when I pressed arrow keys.  Do you see them
 split into separate lines (e.g. "\ESC", "[" and "D")?  If so, that's the
 problem we should try to solve.  Does the same behavior of Read.hs occur
 on laptop<-vnc->hostA, or only on laptop<->hostA<->hostB?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11695#comment:9>
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