[GHC] #10167: Error with dash character

[GHC]

#10167: Error with dash character
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              Reporter:  elvinz      |             Owner:
                  Type:  bug         |            Status:  new
              Priority:  normal      |         Milestone:
             Component:  Compiler    |           Version:  7.8.3
              Keywords:              |  Operating System:  Windows
          Architecture:              |   Type of failure:  Incorrect
  Unknown/Multiple                   |  warning at compile-time
             Test Case:              |        Blocked By:
              Blocking:              |   Related Tickets:
Differential Revisions:              |
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 When I copy the formula from the webpage
 http://www.experiglot.com/2006/06/07/how-to-convert-from-an-annual-rate-
 to-an-effective-periodic-rate-javascript-calculator/ as this formula:

 yearlyToMonthly rate nbPeriods = (1 + rate)(1 / nbPeriods) – 1

 I get the following error message in ghci which is due the the minus
 character not being encoded as an hyphen but as an en dash:

 main.hs:3:60: Not in scope: `*** Exception: <stderr>: commitBuffer:
 invalid argu
 ment (invalid character)

 Would it be possible to have a more informative error message ? My system
 is win 7 64 bits, and the locale is fr;French (France).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10167>
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