[GHC] #13868: Improved help suggested in the error message about "import".

[GHC]

#13868: Improved help suggested in the error message about "import".
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        Reporter:  vanto             |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Poor/confusing    |  Unknown/Multiple
  error message                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by hsyl20):

 In the examples you give, there may be relationships according to the
 fuzzy search algorithm
 (https://en.wikipedia.org/wiki/Damerau–Levenshtein_distance) and the
 current thresholds (cf [[GhcFile(compiler/utils/Util.hs#L950)]]).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13868#comment:3>
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