[GHC] #3209: Use Levenshtein distance for unknown identifier errors

[GHC]

#3209: Use Levenshtein distance for unknown identifier errors
-----------------------------+----------------------------------------------
Reporter:  ksf               |          Owner:                  
    Type:  feature request   |         Status:  new             
Priority:  normal            |      Component:  Compiler        
 Version:  6.10.2            |       Severity:  normal          
Keywords:                    |       Testcase:                  
      Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
-----------------------------+----------------------------------------------
 That is, instead of saying
 {{{
 Could not find module `IPprint': Use -v to see a list of the files
 searched for.
 }}}
 Say
 {{{Could not find module `IPprint': Use -v to see a list of the files
 searched for. Did you mean `IPPrint'?
 }}}

 , likewise for the other namespaces.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3209>
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